1 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
3 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
5 2000-02-16 Nick Clifton <nickc@cygnus.com>
7 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8 (make_insn_raw): Move RTL check here.
10 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12 * version.c: Include gansidecl.h and version.h.
14 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
16 * configure.in (gcc_version): When setting, narrow search to
17 lines containing `version_string'.
19 * Makefile.in (mainversion): Likewise.
20 (GCC_H): New variable.
21 (gcc.h): Delete target.
22 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
23 (version.o): Depend on version.h.
24 (dbxout.o): Don't depend on gcc.h.
26 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
27 Michael Meissner <meissner@cygnus.com>
29 * md.texi (Simple Constraints): Add item about whitespace.
30 * genoutput.c (strip_whitespace): New.
31 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
32 strip_whitespace for constraints.
33 Test pointer using NULL, not 0.
35 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
37 * cpplib.c (do_line): Pedwarn for #line > 32767.
39 * c-lex.c (readescape): Warn about '\x', but do not reject it.
41 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
43 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
45 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
46 * cpp.texi: Document __GNUC_PATCHLEVEL__.
49 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
52 2000-02-15 Denis Chertykov <denisc@overta.ru>
54 * configure.in: Add support for avr target.
56 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
58 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
59 (sh_addr_diff_vec_mode): Don't declare.
60 * sh.c (sh_addr_diff_vec_mode): Delete.
62 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
64 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
66 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
68 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
69 (smulsi3_highpart_i): Name.
70 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
71 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
72 (smulsi3_highpart, umulsi3_highpart): Likewise.
74 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
75 correctly independent of endianness.
76 (mulsidi3, umulsidi3): Now define_insn. Hide details that
77 confuse the optimizers.
78 (mulsidi3+1, umulsidi3+1): New define_split.
80 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
82 * config/sh/sh.md: Guard insn splits against illegal registers.
83 * config/sh/sh.h: Correct comment about macros.
85 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
86 Andrew MacLeod <amacleod@cygnus.com>
88 * Makefile.in (lcm.o): Depend on insn-attr.h.
89 * basic-block.h (optimize_mode_switching): Declare.
90 * lcm.c (tm_p.h, insn-attr.h): #include.
91 (seginfo, bb_info): New structs.
92 (antic, transp, comp, delete, insert) : New file-scope static variables.
93 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
94 (reg_becomes_live, optimize_mode_switching): Likewise.
95 * tm.texi: Add description of mode switching macros.
96 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
98 * sh-protos.h (remove_dead_before_cse): Remove prototype.
99 (fldi_ok, fpscr_set_from_mem): New prototypes.
100 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
101 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
102 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
103 (sh_flag_remove_dead_before_cse): Remove declaration.
104 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
105 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
106 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
107 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
108 (barrier_align): Allow for JUMP_INSNS containing a parallel.
109 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
110 (fldi_ok): New function.
111 (get_fpscr_rtx): Add fpscr_rtx as GC root.
112 (emit_sf_insn): Only generate fpu switches when optimize < 1.
113 (emit_df_insn): Likewise.
114 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
115 (sh_flag_remove_dead_before_cse): Delete.
116 (get_free_reg, fpscr_set_from_mem): New functions.
117 * sh.md (movdf, movsf): Remove no_new_pseudos code.
118 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
120 2000-02-15 Loren Rittle <ljrittle@acm.org>
122 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
124 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
126 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
127 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
129 * cccp.c: Include version.h and/or don't declare `version_string'.
130 * collect2.c: Likewise.
132 * arm/aof.h: Likewise.
133 * arm/coff.h: Likewise.
134 * arm/elf.h: Likewise.
135 * arm/pe.h: Likewise.
136 * arm/tcoff.h: Likewise.
137 * arm/telf.h: Likewise.
138 * arm/tpe.h: Likewise.
139 * arm/vxarm.h: Likewise.
140 * convex/convex.c: Likewise.
141 * i386/dgux.c: Likewise.
142 * i386/sun386.h: Likewise.
143 * m88k/m88k.c: Likewise.
144 * mcore/mcore-pe.h: Likewise.
145 * mips/mips.h: Likewise.
146 * romp/romp.h: Likewise.
148 * cpphash.c: Likewise.
149 * cppinit.c: Likewise.
150 * dwarf2out.c: Likewise.
151 * dwarfout.c: Likewise.
154 * mips-tfile.c: Likewise.
155 * protoize.c: Likewise.
156 * toplev.c: Likewise.
159 * version.c (version_string): Constify a char*.
161 * version.h: New file.
163 2000-02-14 Nick Clifton <nickc@cygnus.com>
165 * configure.in: Add mcore-elf and mcore-pe targets.
166 * configure: Regenerate.
168 * NEWS: Add note that MCore port has been contributed.
170 * invoke.texi: Document command line switches for MCore port.
171 * install.texi: Add MCore to list of supported targets.
173 2000-02-14 Geoff Keating <geoffk@cygnus.com>
175 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
176 then we will need to import the frame handling functions.
177 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
178 to import the frames themselves.
180 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
181 Jason Eckhardt <jle@cygnus.com>
183 * basic_block.h: Added prototype for reorder_basic_blocks.
184 * toplev.c: Changes to add -freorder-blocks and graph dump after
185 block reordering is done.
186 * flow.c (reorder_block_def): New structure for use during block
188 (REORDER_BLOCK_*): New macros to access members of above structure.
189 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
190 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
191 functions for block reordering.
193 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
195 * gcc.texi (Passes): Fix typo.
196 * md.texi (Standard Names): Ditto.
197 * tm.texi (Storage Layout): Ditto.
199 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
201 * cpplib.c (do_define): Only free the old definition if it
204 2000-02-13 Neil Booth <NeilB@earthling.net>
206 * cppfiles.c (read_and_prescan): When emitting deferred
207 newlines, test speccase[] again instead of checking each
208 possible whitespace character in turn. When we encounter \r,
209 look behind for \n first, then ahead.
211 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
213 * cse.c (cse_altered): New internal flag.
214 (cse_insn): Set it if we changed an insn.
215 (cse_main): Clear cse_altered before each basic block.
216 Only garbage collect if cse_altered is true afterward.
218 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
220 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
222 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
224 * combine.c (simplify_comparison): Fix typo.
226 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
228 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
231 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
233 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
234 previously inserted node instead of root node. Caller changed.
236 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
238 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
240 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
242 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
243 __dereg_frame_dtor): Add prototype argument.
245 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
247 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
249 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
251 * gthr-vxworks.h (__gthread_once): Likewise.
253 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
255 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
257 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
258 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
259 stack pointer in functions w/o saved registers, output LEAVE more often
260 on TARGET_USE_LEAVE machines.
262 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
264 * config/arm/arm.c (arm_init_cumulative_args); New function:
265 Initlaise the CUMULATIE_ARGS strcuture for a function
267 (arm_function_arg): New function: Determine where to place a
268 function's argument. Also handles deciding the function's
270 (current_file_function_operand): New function: Return true if
271 the symbol is a function which has already been compiled.
272 (arm_is_long_call_p): New function: Return true if the
273 indicated function should be called via a long call.
274 (arm_valid_type_attribute_p): New function: Return true if the
275 attribute is a valid, arm specific, attribute.
276 (arm_comp_type_attribute): New function: Return true if the
277 two types have compatable, arm specific, attributes.
279 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
281 (FUNCTION_ARG): Redefine to call arm_function_arg.
282 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
284 (INIT_CUMULATIVE_ARGS): Redefine to call
285 arm_init_cumulative_args.
286 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
288 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
290 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
292 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
293 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
294 (COMP_TYPE_ATTRIBUTES): Define.
296 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
297 if a long call is needed.
298 (call_value): Call arm_is_long_call_p to decide if a long call
300 (call_symbol): Call arm_is_long_call_p to decide if a long call
303 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
305 2000-02-11 Denis Chertykov <denisc@overta.ru>
307 * README.AVR: New file with information about the avr ports.
308 * config/avr: New directory with avr port files.
310 2000-02-11 Andreas Jaeger <aj@suse.de>
312 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
314 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
316 * cpphash.c: Fix formatting, update commentary.
317 (dump_definition): Take three separate arguments instead of a
318 MACRODEF structure argument.
319 * cpphash.h: Update prototype of dump_definition.
320 * cppinit.c (cpp_finish): Update call of dump_definition.
322 * cpplib.c (do_define): Always create new hash entry with
323 T_MACRO type. Remove redundant check for redefinition of
324 poisoned identifier. Update call of dump_definition.
325 (do_undef): Don't call check_macro_name. Rename sym_length to
327 (do_error, do_warning): Don't use copy_rest_of_line or
329 (do_warning): Don't use pedwarn for the actual warning,
330 only the notice about its not being in the standard. (Fixes
331 bug with #warning in system headers.)
332 (do_ident): Stricter argument checking - accept only a single
333 string after #ident. Also, macro-expand the line.
334 (do_xifdef): Use cpp_defined. De-obfuscate.
336 (do_pragma): Split out specific pragma handling to separate
337 functions. Use get_directive_token. Update commentary. Do
338 not pass on #pragma once or #pragma poison to the front end.
339 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
340 do_pragma_default): New.
342 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
344 * jump.c (jump_optimize_1): The first operand in a relational
346 * optabs.c (emit_conditional_move): Handle relationals which
347 have a known true/false result.
349 2000-02-11 Geoff Keating <geoffk@cygnus.com>
351 * function.c (thread_prologue_and_epilogue_insns): Don't insert
352 a RETURN insn into a block which already ends with a jump.
354 2000-02-11 Geoff Keating <geoffk@cygnus.com>
356 * haifa-sched.c (BUF_LEN): Increase a lot.
358 2000-02-11 Nick Clifton <nickc@cygnus.com>
360 * configure.in: Add tm_p_file specification for thumb targets.
361 * configure: Regenerate.
363 * config/arm/thumb-protos.h: New file: Prototypes for exported
364 functions defined in thumb.c.
366 2000-02-11 Robert Lipe <robertl@sco.com>
368 * Makefile.in (bootstrap-lean): Remove additional files.
369 (bootstrap2-lean): Likewise.
370 (VOL_FILES): List of files for above.
372 2000-02-11 Nathan Sidwell <nathan@acm.org>
374 * cpphash.c (special_symbol): Remove spurious argument to
377 2000-02-11 Joel Sherrill (joel@OARcorp.com>
379 * configure.in: (i*86-*-rtems*): Swapped elf and coff
381 * configure: Rebuilt.
383 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
385 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
387 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
389 * pa.c, pa.h: Remove trigraph sequences within comments.
391 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
393 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
395 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
397 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
399 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
401 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
403 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
405 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
406 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
407 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
408 (ASM_FILE_END): Use c4x_file_end.
409 * config/c4x/c4x.c (c4x_global_label): New function.
410 (c4x_external_ref, c4x_file_end): Likewise.
412 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
413 (c4x_external_ref, c4x_end_file): Likewise.
415 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
417 * cppexp.c: Don't include cpphash.h.
418 (parse_charconst, cpp_lex): Use cpp_defined.
419 (cpp_lex): Use get_directive_token throughout. Remove
420 unnecessary cases from switch. Move assertion-handling code
422 (cpp_parse_expr): If we see '+' or '-', check the context to
423 determine if they are unary or binary operators. Streamline
424 the jumps a bit. Do not call skip_rest_of_line.
426 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
427 static. Export get_directive_token. Update commentary.
428 (cpp_defined): New function.
429 (do_define): Remove reference to T_PCSTRING. Call
430 free_definition to release memory for old definition, when
432 (eval_if_expression): Set only_seen_white to 0 before calling
433 cpp_parse_expr. Call skip_rest_of_line after it returns.
434 (cpp_read_check_assertion): Don't preserve a pointer into the
435 token buffer across a call to cpp_get_token.
437 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
438 * cppfiles.c (redundant_include_p): Use cpp_defined.
439 * cpphash.c (free_definition): New function.
440 (delete_macro): Use it. Update commentary.
441 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
443 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
444 from enum node_type. Prototype cpp_defined and get_directive_token.
445 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
447 * fix-header.c (check_macro_names): Use cpp_defined.
448 (read_scan_file): Set inhibit_warnings and inhibit_errors in
449 the options structure.
451 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
453 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
455 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
457 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
458 rather than die->die_tag.
460 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
462 * combine.c (make_extraction, force_to_mode): Avoid warning on
463 mixed-signedness conditionals.
464 (make_field_assignment, nonzero_bits): Likewise.
465 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
466 (store_split_bit_field, extract_split_bit_field): Likewise.
467 (extract_fixed_bit_field, store_bit_field,
468 * expr.c: Change alignment to be unsigned everywhere.
469 (move_by_pieces, store_constructor_field, store_constructor):
470 Alignment parm is unsigned.
471 (emit_block_move, emit_group_load, emit_group_store): Likewise.
472 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
473 (do_compare_rtx_and_jump): Likewise.
474 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
475 Compare align with GET_MODE_ALIGNMENT.
476 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
477 (get_inner_reference): Likewise.
478 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
479 (expand_assignment): Local vars for alignment now unsigned.
480 (store_constructor, store_field, expand_expr, do_jump): Likewise.
481 (do_compare_and_jump): Likewise.
482 (store_field): Call new function expr_align.
483 * expr.h (emit_block_move, emit_group_load, emit_group_store):
484 Alignment arg now unsigned.
485 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
486 (do_compare_rtx_and_jump, store_bit_field): Likewise.
487 (extract_bit_field): Likewise.
488 * fold-const.c (add_double): Add cast to eliminate signedness warning.
489 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
490 (get_best_mode): Alignment arg is unsigned.
491 * rtl.h (move_by_pieces): Likewise.
492 * store-layout.c (maximum_field_alignment, set_alignment):
494 (layout_decl): Alignment arg is now unsigned.
495 Remove unneeded casts.
496 (layout_record, layout_union, layout_type): Remove unneeded casts.
497 Local alignment variables now unsigned.
498 (get_best_mode): Alignment arg now unsigned.
499 * tree.c (expr_align): New function.
500 * tree.h (expr_align): Likewise.
501 (maximum_field_alignment, set_alignment): Now unsigned.
502 (get_inner_reference): Alignment argument is now pointer to unsigned.
503 * varasm.c (assemble_variable): Add cast to eliminate warning.
505 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
507 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
508 then store directly into op0.
510 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
511 the CALL_INSN, and emit the note immediately after it.
513 2000-02-10 Nick Clifton <nickc@cygnus.com>
515 * config/arm/thumb.md (epilogue): Include a (return) in the
516 generated insn, and emit it using emit_jump_insn not
519 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
521 * function.c (assign_temp): Change zero-sized arrays to size 1.
522 * integrate.c (expand_inline_function): Do not update
523 stack_alignment_needed
524 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
525 add some sanity checking, remove optimization for function with
528 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
530 * flow.c (mark_regs_live_at_end): Delete unused variables.
532 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
534 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
535 in macro FRAME_GROWS_DOWNWARD.
537 * stmt.c (expand_end_bindings): Delete unused variable.
539 * unroll.c (iteration_info): Mark parameter `loop' with
542 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
544 * fixinc/server.c (load_data): Return NULL if the marker line is
546 (run_shell): If load_data returns NULL, retry the command once, in
549 * configure: Rebuilt.
551 2000-02-09 Bruce Korb <bkorb@gnu.org>
553 * gcc/fixincludes: ** DELETED **
554 * gcc/fixcpp: ** DELETED **
555 * gcc/fixinc-nt.sed: ** DELETED **
556 * gcc/just-fixinc: ** DELETED **
557 * gcc/Makefile.in: Removed out-dated commentary
558 * gcc/configure.in: Removed fast-fixincludes disablement.
559 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
561 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
562 * function.c (thread_prologue_and_epilogue_insns): Uncomment
565 2000-02-09 Richard Henderson <rth@cygnus.com>
567 * jump.c (delete_insn): Don't delete user labels at -O0.
569 2000-02-09 Robert Lipe <robertl@sco.com>
571 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
572 Don't link with HOST_LIBS.
574 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
576 * configure.in: Correct --help text for --with-dwarf2.
577 Put tm-dwarf2.h after other tm files, if it's requested.
578 * configure: Regenerate.
579 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
582 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
584 * cpplib.h: Provide HASHNODE typedef and forward decl of
585 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
586 DEFINITION, struct hashnode, struct macrodef, struct
587 definition, scan_decls prototype, default defn of
588 INCLUDE_LEN_FUDGE moved elsewhere.
590 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
591 definition, and struct hashnode moved here. Remove the unused
592 'predefined' field from struct definition. Replace the 'args'
593 union with its sole member. All users updated (cpphash.c).
594 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
595 multiple include guard.
597 * cpphash.c (hashf): Make static; use better algorithm; drop
598 HASHSIZE parameter; return an unsigned int.
599 (cpp_lookup): Drop HASH parameter. PFILE parameter is
600 used. Calculate HASHSIZE modulus here.
601 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
603 (create_definition): Drop PREDEFINITION parameter.
604 * cpplib.c (do_define): Don't calculate a hash value here.
605 Don't pass (keyword == NULL) to create_definition.
607 * scan.h: Prototype scan_decls here.
608 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
609 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
610 callers of cpp_lookup and cpp_install updated.
612 * cpphash.c (macarg): Hoist all the flag diddling out of the
614 (macroexpand): ... and out of the loop that calls macarg.
615 Skip over the initial paren before macro arguments with
616 cpp_get_non_space_token; point may be some distance before
617 that paren. Abort if it's not there.
619 * cpplib.c (parse_clear_mark): Delete function.
620 (parse_set_mark, parse_goto_mark): Make static.
621 (ACTIVE_MARK_P): New macro.
622 (skip_block_comment, skip_line_comment): Do not bump the line
623 if ACTIVE_MARK_P is true.
624 (cpp_pop_buffer): The buffer to be popped may not have an
626 (cpp_get_token): When looking for the initial paren before
627 macro arguments, only set a mark in a file buffer, Always
628 return to that mark before proceeding to call macroexpand or
631 * cpplib.h: Remove prototypes of parse_set_mark,
632 parse_clear_mark, parse_goto_mark.
633 (struct cpp_options): Rename 'put_out_comments' to
634 'discard_comments' and invert its sense.
635 * cppinit.c, cpphash.c, cpplib.c: All users of
636 put_out_comments changed to use discard_comments, with
639 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
641 * function.c (thread_prologue_and_epilogue_insns): Don't delete
642 the edge from a block that both jumps and falls through to the
645 2000-02-09 Scott Bambrough <scottb@netwinder.org>
647 * config/arm/arm.md (movsi): In PIC mode, make sure that a
648 constant source address is legitimate.
650 2000-02-09 Philip Blundell <pb@futuretv.com>
652 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
655 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
657 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
659 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
661 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
662 ends with a newline and a NUL. Don't be so clever manipulating
665 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
667 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
668 not to BIGGEST_ALIGNMENT.
670 2000-02-08 Geoff Keating <geoffk@cygnus.com>
672 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
673 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
674 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
675 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
676 * frame.c (execute_cfa_insn): Handle
677 DW_CFA_GNU_negative_offset_extended.
679 2000-02-08 Richard Henderson <rth@cygnus.com>
681 * flow.c (tidy_fallthru_edges): Split out from ...
682 (delete_unreachable_blocks): ... here.
683 (find_basic_blocks): Use it.
685 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
687 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
689 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
691 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
692 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
693 (fix-header.o): Don't depend on cpphash.h.
695 * scan.c (hashstr): New function.
696 * scan.h: Prototype it.
697 * fix-header.c: Don't include cpphash.h. Use hashstr.
698 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
699 hashstr. Report hash table statistics. Add private
700 definition of xrealloc.
702 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
704 * i386.h (TARGET_SWITCHES): Fix typo in option name.
706 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
708 * function.c (thread_prologue_and_epilogue_insns): Don't replace
709 jumps with returns unless they are jumps to the fallthru block.
711 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
713 * i386.md (addqi3_cc): Fix contraints.
715 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
717 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
719 2000-02-07 Mark Mitchell <mark@codesourcery.com>
721 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
722 carriage return after a macro name.
724 2000-02-07 Fred Fish <fnf@be.com>
726 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
727 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
729 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
731 * cppfiles.c (deps_output): Count spacers in deps_column.
733 2000-02-07 Neil Booth <NeilB@earthling.net>
735 * cppinit.c (initialize_dependency_output): If there is no
736 suffix, don't try to look for known suffixes. Use strrchr.
737 (cpp_start_read): Remove duplicate initialization.
739 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
741 * calls.c (compute_argument_block_size): New argument
742 preferred_stack_boundary.
743 (expand_call): update cfun->preferred_stack_boundary, update call of
744 compute_argument_block_size
745 (emit_library_call): Increate cfun->preferred_stack_boundary
746 to PREFERRED_STACK_BOUNDARY
747 (emit_library_call_value): Likewise.
748 * explow.c (allocate_dynamic_stack_spave): Likewise.
749 * function.c (prepare_function_start): Set
750 cfun->preferred_stack_boundary
751 * function.h (struct function): Add preferred_stack_boundary field.
752 * integrate.c (expand_inline_function): Update
753 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
754 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
755 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
757 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
759 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
760 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
761 cpp_pedwarn, cpp_pedwarn_with_line,
762 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
763 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
764 v_cpp_error_with_line, v_cpp_warning_with_line,
765 cpp_message_from_errno, cpp_perror_with_name): Delete.
767 * cpperror.c (cpp_print_containing_files): Take starting
769 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
770 (v_cpp_message): Now called directly by all entry points.
772 (cpp_pfatal_with_name, cpp_message): Delete.
773 (cpp_notice_from_errno, cpp_ice): New functions.
774 (cpp_notice): Is now for reporting error conditions, just
775 without an associated file.
776 (cpp_error, cpp_error_with_line): Don't do anything if
777 opts->inhibit_errors is on.
778 (cpp_pedwarn_with_file_and_line): Take column argument also.
780 * cpplib.h: Update prototypes of exported functions.
781 (struct cpp_options): Add inhibit_errors.
783 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
784 non-error messages. Include intl.h.
786 * cppinit.c, cppmain.c: Likewise. Also, use
787 cpp_notice_from_errno instead of cpp_perror_with_name or
788 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
790 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
791 report internal errors.
793 * cpplib.c (do_define): Switch bcopy to memcpy.
794 Give cpp_pedwarn_with_file_and_line a dummy column argument.
796 * cpplib.c (copy_rest_of_line): Revert previous change: don't
797 bail out early if we hit a line comment.
799 2000-02-06 Richard Henderson <rth@cygnus.com>
801 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
802 * basic-block.h: Declare them.
803 * emit-rtl.h (active_insn_p): New.
804 (next_active_insn, prev_active_insn): Use it.
806 * function.c (emit_return_into_block): New.
807 (thread_prologue_and_epilogue_insns): Insert return insns instead
808 of epilogues when possible.
809 * jump.c (jump_optimize_1): Remove code to insert a return insn
810 on the fallthru to the exit block.
812 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
813 and for non-empty stack frames.
814 * i386.md (return): Expand to return-pop as needed.
816 2000-02-06 Richard Henderson <rth@cygnus.com>
818 * simplify-rtx.c (simplify_relational_operation): Canonicalize
819 constant to op1 for testing.
821 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
823 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
824 (fixuns_truncqfqi2): Use it.
826 2000-02-06 Richard Henderson <rth@cygnus.com>
828 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
831 * i386.md (widening and peepholes): Mask the constant instead of
834 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
836 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
837 input pointer before possibly branching off to the backslash
839 * cpphash.c (macroexpand): Correctly delete \r escapes when
840 stringifying parameters.
841 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
842 if we can; bail out early if we hit a line comment.
843 (handle_directive): Treat '# 123' in an .S file just like
844 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
845 Return 1 for '# not_a_directive'.
846 (get_directive_token): Pop macro buffers here, so that
847 cpp_get_token can't sneakily move past a newline.
849 (cpp_get_token): goto randomchar if handle_directive returns 0.
851 * cppalloc.c: Update copyright.
852 * cpplib.c: Merge all the static function prototypes into one
854 * cpplib.h: Remove #if 0 block.
856 * cpperror.c: Remove #ifdef EMACS block.
857 * cppmain.c: Likewise.
858 * cpphash.c: Remove #if 0 blocks.
859 * cppinit.c: Remove #if 0 blocks, and the -lint option.
860 * cpplib.c: Remove #if 0 blocks and code referencing
861 pcp_inside_if or for_lint. Remove duplicate error message.
862 Fix error messages for #else after #else or #elif. Reformat.
863 Remove archaic TODO list.
864 * cpplib.h: Remove pcp_inside_if and for_lint flags.
866 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
868 * i386/osf1elf.h: Add missing backslash to multiline string.
870 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
872 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
874 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
876 * Makefile.in (c-common.o): Depend on $(EXPR_H).
878 * c-common.c: Include expr.h.
880 * c-pragma.c (mark_align_stack): Add prototype.
882 * caller-save.c (add_stored_regs): Likewise.
884 * combine.c (record_promoted_value): Likewise.
886 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
889 * cppinit.c (new_pending_define): Likewise.
891 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
893 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
894 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
895 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
896 class_scope_p): Likewise.
898 * dwarf2out.h (dwarf2out_set_demangle_name_func,
899 dwarf2out_add_library_unit_info): Likewise.
901 * ggc.h (ggc_page_print_statistics): Likewise.
903 * haifa-sched.c (propagate_deps): Likewise.
905 * reg-stack.c (next_flags_user, record_label_references): Likewise.
907 * rtl.h (set_stack_check_libfunc): Likewise.
909 * toplev.h (set_fatal_function): Likewise.
911 * toplev.c (set_fatal_function): Delete prototype.
913 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
915 2000-02-05 Geoff Keating <geoffk@cygnus.com>
917 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
918 (FUNC_END): Likewise.
920 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
922 * caller-save.c: Include tm_p.h.
924 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
926 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
928 2000-02-04 Neil Booth <NeilB@earthling.net>
930 * cccp.c (main): Check 'dir' for a NULL pointer before passing
933 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
935 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
936 * genflags.c: Use the max_operand_1 logic from genemit.c to
937 calculate how many arguments gen_insn prototypes have. Remove
938 NO_MD_PROTOTYPES ifdefs from the generated file.
939 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
940 file. Cast gen_insn initializers to insn_gen_fn.
941 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
942 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
944 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
946 * fixinc/Makefile.in (HDR): Add machname.h.
949 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
951 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
952 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
953 (c4x_cpu_version): Ditto.
954 * config/c4x/c4x-protos.h: ... here.
956 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
958 * dwarf2out.c (add_abstract_origin_attribute): Don't call
959 gen_abstract_function on our context if we're a nested function.
961 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
963 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
964 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
966 2000-02-04 Bruce Korb <bkorb@gnu.org>
968 * fixinc/genfixes(machname.h):
969 Move the functionality from gen-machine.h into this file.
970 UNdef MN_NAME_PAT if there are no names to change.
971 Also, be a little kinder when AutoGen is not present.
973 * fixinc/Makefile.in(machname.h):
974 Change the generation rule to use genfixes.
976 * fixinc/fixfixes.c(machine_name):
977 machine_name_fix's functionality now dependent upon whether
978 MN_NAME_PAT is defined.
980 * fixinc/fixtests.c(machine_name):
983 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
986 * fixinc/fixlib.h(mn_get_regexps):
989 * fixinc/gen-machine.h: DELETED
991 2000-02-04 Jan Hubicka <jh@suse.cz>
992 Richard Henderson <rth@cygnus.com>
994 * i386.c (SAVE_REGS_FIRST): Remove.
995 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
996 (ix86_compute_frame_size): Likewise.
997 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
998 (ix86_emit_restore_regs): Remove.
999 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
1000 when a frame pointer is in use.
1001 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
1002 instead of pop to restore a register when profitable; emit leave
1004 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
1006 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
1007 * i386.md (prologue_allocate_stack): Remove.
1008 (epilogue_deallocate_stack): Remove.
1009 (pro_epilogue_adjust_stack): New.
1011 2000-02-04 Richard Henderson <rth@cygnus.com>
1013 * function.c (diddle_return_value): Rework to use a callback function.
1014 Use current_function_return_rtx if it's been set up.
1015 (do_clobber_return_reg, clobber_return_register): New.
1016 (do_use_return_reg, use_return_register): New.
1017 (expand_function_end): Use them.
1018 * stmt.c (expand_null_return): Likewise.
1019 * function.h: Declare them.
1020 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
1021 (mark_reg): Change arguments as appropriate for callback.
1022 * integrate.c (expand_inline_function): Revert 19 Jan change.
1024 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
1026 * tm.texi (Values in Registers): Fix typo: "fo" "for".
1027 (Misc): Say the scheduler, not the Haifa scheduler.
1029 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
1031 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
1032 when in_mem is set. Update all callers.
1034 2000-02-04 Richard Henderson <rth@cygnus.com>
1036 * i386/openbsd.h (INT_ASM_OP): Define.
1038 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
1040 * tm.texi: Fix various typos.
1042 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
1044 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
1045 (MD_STARTFILE_PREFIX_1): New macro.
1047 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
1049 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
1050 destination when needed.
1051 (strmovsi, strsetsi): New expander.
1052 (strmovsi_1, strsetsi_1): New pattern.
1053 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
1054 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
1055 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
1056 * invoke.texi (align-stringops, inline-all-stringops): Document.
1058 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
1060 * i386/netbsd.h (INT_ASM_OP): Define.
1062 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
1064 * cpplib.h (cpp_reader): Add new flag, no_directives.
1065 * cpphash.c (macarg): Set it.
1066 * cpplib.c (handle_directive): If no_directives is on and we
1067 find a directive, issue an error and discard the line.
1069 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
1071 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
1072 FP constants. Add ! TARGET_FPU check for FP constants.
1074 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
1076 * flow.c (find_basic_blocks): Don't kill label_value_list
1078 (cleanup_cfg): Kill it here.
1080 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1082 * expr.c (store_field): Ensure ALIGN is no stricter than the
1085 2000-02-02 Richard Henderson <rth@cygnus.com>
1087 * jump.c (delete_insn): Partially revert 19 Jan change;
1088 don't convert unused code labels to notes at -O0.
1090 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1092 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
1093 split_all_insns to recreate REG_LABEL notes for flow2 pass.
1095 2000-02-01 Richard Henderson <rth@cygnus.com>
1097 * i386.c (general_no_elim_operand): New.
1098 (nonmemory_no_elim_operand): New.
1099 (ix86_expand_move): Copy eliminable operands before a push.
1100 * i386-protos.h: Declare new functions.
1101 * i386.h (CAN_ELIMINATE): Simplify.
1102 (PREDICATE_CODES): Update.
1103 * i386.md (push insns): Don't allow eliminable register operands.
1105 2000-02-01 Richard Henderson <rth@cygnus.com>
1107 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
1108 replace BLKmode with DECL_RTL's mode.
1110 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
1112 * frame.c (find_fde): Convert for loop to do-while so compiler
1113 sees it's always executed at least once.
1114 * libgcc2.c (BBINBUFSIZE): Kill.
1115 (__bb_init_prg): Use fgets.
1116 (__bb_exit_trace_func): Don't paste strings.
1117 * unroll.c (unroll_loop): Initialize unroll_type, not
1118 unroll_number, and tweak logic to match.
1120 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
1122 (ix86_flags_dependant): Likewise. Disentangle control flow.
1123 (ix86_sched_reorder): Break guts out to
1124 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
1125 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
1128 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
1129 use string concatenation. Don't save and restore esi.
1131 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
1132 (machname.h): Remove script to separate file. Use two-step
1133 sequence so target is not created if script fails.
1134 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
1135 identifiers are defined.
1136 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
1137 an empty string, machine_name doesn't need to do anything at
1139 (is_cxx_header): Add more cases to regexp.
1140 * fixinc/fixlib.h: Update prototype.
1141 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
1143 * fixinc/fixincl.c: Define NO_BOGOSITY.
1145 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
1146 (hp_sysfile): Add missing comma.
1147 (math_exception): Put the wrapper ifdefs at the beginning and
1148 the end of the file.
1149 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
1151 2000-02-01 Richard Henderson <rth@cygnus.com>
1153 * sparc.c (fp_zero_operand): Turn into a normal predicate.
1154 Use CONST0_RTX. Update all callers.
1155 * sparc.h, sparc-protos.h: Update accordingly.
1156 * sparc.md (fp mov insns): Use fp_zero_operand directly
1159 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
1161 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
1164 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1166 * Makefile.in (specs.ready): New target.
1167 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
1169 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1171 * fixinc.irix: Use unique filenames for writing into /tmp,
1172 * fixinc.ptx: Likewise.
1173 * fixinc.sco: Likewise.
1174 * fixinc.svr4: Likewise.
1175 * fixinc.winnt: Likewise.
1177 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1179 * tsystem.h: New file.
1181 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
1182 s-crtS): Depend on tsystem.h.
1184 * crtstuff.c: Include tsystem.h.
1185 * frame.c: Likewise.
1186 * libgcc2.c: Likewise.
1188 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
1190 * builtins.c (expand_builtin_memset): Expand for variable sized
1193 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
1195 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
1198 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
1200 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
1202 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
1204 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
1206 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
1207 case 3->2 combining (combining with splitting) in which 2 is CC0
1208 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
1209 checked at the begining of the function with the aid of calling
1210 function 'can_combine_p'.
1212 2000-01-31 Dave Brolley <brolley@redhat.com>
1214 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
1216 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
1218 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
1221 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1223 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
1225 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
1228 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
1230 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
1231 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
1232 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
1233 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
1234 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
1235 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
1236 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
1237 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
1238 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
1239 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
1241 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
1242 Add %(cpp_cpu) to CPP_SPEC.
1244 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
1245 Add %(cc1_cpu) to CC1_SPEC.
1247 2000-01-28 Ulrich Drepper <drepper@redhat.com>
1249 * c-decl.c (c_decode_option): Accept optional numeric argument to
1250 -Wformat and set warn_format.
1251 * c-common.c: Don't emit warning about non-constant printf format
1252 string unless warn_format > 1.
1254 2000-01-30 Richard Henderson <rth@cygnus.com>
1256 * alpha.md (return_internal): Allow after reload only.
1258 2000-01-30 Richard Henderson <rth@cygnus.com>
1260 * i386.c (ix86_compute_frame_size): Omit padding1 if the
1261 local frame size is zero.
1263 2000-01-30 Richard Henderson <rth@cygnus.com>
1265 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
1266 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
1267 * alpha.md (return): Turn into an expander.
1268 (return_internal): Don't use $26.
1269 (epilogue): Emit the return insn.
1271 2000-01-30 Richard Henderson <rth@cygnus.com>
1273 * alpha.md (negtf2, abstf2): Fix word order thinko.
1275 (trunctfsf2): Avoid intermediate rounding errors.
1277 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
1279 * cppfiles.c (find_position): Drop 'colp' argument, return the
1281 (read_and_prescan): Adjust to match. Don't ever manipulate
1282 line or line_base except via find_position.
1284 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
1286 * c-parse.in: Apply Ulrich's changes from c-parse.y.
1287 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
1290 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
1292 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
1293 just print "<command line>". If 'filename' is null or an
1294 empty string, print "<stdin>" for the filename.
1295 * cpplib.c (do_define): Don't print the 'location of the
1296 previous definition' message if we're still parsing the
1298 (cpp_pedwarn_with_file_and_line): Always call
1299 cpp_file_line_for_message.
1301 2000-01-29 Mark Mitchell <mark@codesourcery.com>
1303 * flow.c (mark_regs_live_at_end): Fix typo.
1305 2000-01-28 Ulrich Drepper <drepper@redhat.com>
1307 * c-common.c: Adjust variable names, comments, help strings to c99.
1308 * c-lex.c: Likewise.
1309 * c-parse.y: Likewise.
1310 * c-tree.h: Likewise.
1312 * cpplib.h: Likewise.
1313 * c-decl.c: Likewise. Recognize options with names "*99" as well.
1314 * cppinit.c: Likewise.
1316 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1318 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
1319 * c4x.c: Define the optab rtx values.
1320 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
1321 (c4x_emit_libcall): Use new optab rtx values.
1322 (c4x_emit_libcall3): Likewise.
1323 (c4x_emit_libcall_mulhi): Likewise.
1324 * c4x-protos.h: Add prototypes for optab rtx values and change
1325 prototypes for above c4x_emit_libcall functions.
1327 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1329 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
1331 (c4x_function_prologue): Use regnames intead of float_reg_names when
1333 (c4x_function_epilogue): Likewise.
1334 (c4x_print_operand): Likewise.
1335 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
1336 * c4x.md (set_high): Disable for TARGET_TI.
1338 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1340 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
1341 of framepointer + constant to ADDR_REGS class.
1342 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
1343 * c4x.c (std_or_reg_operand): New function.
1344 * c4x-protos.h (std_or_reg_operand): Prototype it.
1346 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1348 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
1349 object names as libgcc2.c.
1350 * libgcc.S: Use newly defined names.
1352 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
1353 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
1355 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
1356 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
1357 (FLOW_LOOP_LAST_BLOCK): Likewise.
1359 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1361 * basic-block.h (struct loop): New fields 'first' and 'last'.
1362 * flow.c (flow_loops_find): Compute loop->first and loop->last.
1363 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
1364 and loop->last to check for NOTE_INSN_LOOP_END.
1366 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
1368 * predict.c (estimate_probability): Use the new FIRST and LAST fields
1369 of the loop descriptor rather than HEADER and LATCH. Also added
1370 missing break statements as well making some coding style modifications
1371 as suggested by Michael Hayes.
1373 2000-01-28 Richard Henderson <rth@cygnus.com>
1375 * flow.c (find_basic_blocks): Remove do_cleanup argument.
1376 Break out that code ...
1377 (cleanup_cfg): ... here.
1378 (commit_one_edge_insertion): Detect a return instruction being
1379 emitted to an edge. Emit a barrier following; clear fallthru.
1380 (commit_edge_insertions): Verify CFG consistency.
1381 * function.c (expand_function_start): Kill unused variable.
1382 (expand_function_end): Likewise.
1383 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
1384 to insert the epilogue.
1386 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
1387 (delete_null_pointer_checks): Likewise.
1388 * output.h: Likewise.
1389 * reg-stack.c (reg_to_stack): Likewise.
1390 * toplev.c (rest_of_compilation): Likewise. Run
1391 thread_prologue_and_epilogue_insns after rebuilding the CFG.
1393 2000-01-28 Richard Henderson <rth@cygnus.com>
1395 * Makefile.in (flow.o): Revert 24 Jan change.
1396 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
1397 FUNCTION_VALUE result to DECL_RESULT's mode.
1399 * haifa-sched.c (schedule_insns): Don't recompute reg info
1402 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
1404 * configure.in: Make --enable-cpplib the default.
1405 * configure: Regenerate.
1406 * gcc.dg/990119-1.c: No longer expected to fail.
1408 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
1410 * jump.c (jump_optimize_1): Delete an optimization that is also done
1411 by merge_blocks in flow.
1413 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1415 * diagnostic.c (build_message_string, output_printf,
1416 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
1417 (build_location_prefix): Fix non-literal format string.
1419 2000-01-27 Richard Henderson <rth@cygnus.com>
1421 * alpha.md (trunctfsf2): New.
1423 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
1425 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
1427 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1429 * cppinit.c (cpp_handle_option): Recognize C++ comments under
1431 * cpplib.c (skip_block_comment, skip_line_comment): Split code
1433 (skip_comment) ... here. Permit C++ comments in system
1434 headers always. Warn about C++ comments in user code under
1435 -std=gnu89 -pedantic.
1436 (copy_comment): Use skip_comment.
1437 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
1439 (consider_directive_while_skipping, do_else, do_endif): Call
1440 validate_else unconditionally.
1441 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
1442 text after the conditional in a system header.
1443 * cpplib.h (struct cpp_buffer): Add flag
1444 warned_cplusplus_comments.
1446 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1448 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
1449 Use unshare_all_rtl_1.
1450 (unshare_all_rtl_again): New function.
1451 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
1453 * function.c (purge_addressof_1): Use unshare_all_rtl_again
1454 rather than resetting the 'used' flags ourself.
1456 * toplev.c (rest_of_compilation): Add current_function_decl
1457 to the unshare_all_rtl call.
1458 * tree.h: Prototype unshare_all_rtl.
1459 * rtl.h: Prototype unshare_all_rtl_again here.
1461 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1463 * genoutput.c (output_prologue): Include ggc.h in generated
1465 * Makefile.in (insn-output.o): Depends on ggc.h.
1467 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
1468 Hans-Peter Nilsson <hp@bitrange.com>
1470 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
1471 Remove redundant include of xm-ns32k.h.
1472 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
1473 Remove redundant include of xm-ns32k.h.
1474 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
1475 Remove redundant include of xm-ns32k.h.
1476 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
1478 * ns32k/ns32k.h: Update comment on multiply-add instructions.
1479 (TARGET_SWITCHES): Add documentation strings.
1480 (DWARF_FRAME_REGNUM): Override default definition.
1481 (REG_CLASS_CONTENTS): Add comments.
1482 (SUBSET_P): Format to reduce line length.
1483 (SMALL_REGISTER_CLASSES): Make a run time option.
1484 (GO_IF_NONINDEXED_ADDRESS): Reformat.
1485 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
1486 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
1487 (regclass_map): fix typo in comment.
1488 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
1489 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
1490 (trace, reg_or_mem_operand): Delete, unused function.
1491 (calc_address_cost): Small offsets are cheaper than large ones.
1492 (expand_block_move): Generate more efficient code when bytes is a
1493 known at compile time.
1494 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
1495 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
1496 instead of reg_or_mem_operand.
1498 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
1499 not general_operand. Similarly use "=rm" or stricter, not "=g".
1500 For input operands, use stricter constraints than "g" if not
1501 general_operand. Similarly use stricter predicate than
1502 "general_operand" when stricter constraints than "g" are present,
1503 except for matching constraints.
1504 (movstrsi): Use "memory_operand" for operands 0 and 1.
1505 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
1506 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
1507 not reg_or_mem_operand.
1508 (udivmoddisi4): Ditto.
1509 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
1510 Use nonimmediate_operand for operand 3, not register_operand.
1511 (udivmoddiqi4_internal): Use register_operand for operand 1, not
1514 2000-01-27 Fred Fish <fnf@be.com>
1516 * gthr-posix.h: Fix typo; compatibily -> compatibility.
1517 * gthr-single.h: Likewise.
1518 * gthr-solaris.h: Likewise.
1519 * gthr-vxworks.h: Likewise.
1520 * gthr-win32.h: Likewise.
1523 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1525 * cppinit.c: Add " (cpplib)" to end of string printed by
1528 2000-01-27 Richard Henderson <rth@cygnus.com>
1530 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
1531 testing for a signed comparison.
1532 (alpha_emit_floatuns): New.
1533 * alpha-protos.h: Declare it.
1534 * alpha.md (floatunsdisf2, floatunsdidf2): New.
1535 (extendsfdf2): Tidy.
1537 2000-01-27 Jakub Jelinek <jakub@redhat.com>
1539 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
1540 no -g option specifying debugging format, default to -gstabs+.
1542 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1544 * calls.c (special_function_p): New argument fork_or_exec.
1545 (expand_call): When profile_arc_flag is set and the function
1546 is in the fork_or_exec group, call __bb_fork_func first.
1547 * libgcc2.c, _bb module (__bb_fork_func): New function.
1548 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
1550 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
1551 * tree.h (special_function_p): Update prototype.
1553 2000-01-26 Richard Henderson <rth@cygnus.com>
1555 * alpha.c (alpha_split_tfmode_pair): New.
1556 * alpha-protos.h: Declare it.
1557 * alpha.md (abstf2, negtf2): New.
1558 (movtf insn): Add input G constraint.
1559 (movtf splitter): Use alpha_split_tfmode_pair.
1561 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1563 * i386/cygwin.h: PROTO -> PARAMS.
1565 2000-01-26 Jakub Jelinek <jakub@redhat.com>
1567 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
1568 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
1569 using _Qp_cmp/_Q_cmp and testing the return value.
1570 (print_operand): Call reverse_condition_maybe_unordered if
1571 we are handling CCFPmode or CCFPEmode.
1572 Handle ORDERED, UN* and LTGT comparisons.
1573 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
1574 if not TARGET_HARD_QUAD.
1575 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
1576 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
1577 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
1578 Adjust gen_b* calls so that they reflect return comparison of
1579 sparc_emit_float_lib_cmp.
1581 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1583 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
1584 incoming operands array is large enough for one more operand.
1585 (alpha_emit_xfloating_arith): Likewise.
1587 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1589 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
1590 file with one line and no trailing newline.
1591 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
1592 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
1593 checking if the match is on the line.
1594 * fixinc/gnu-regex.c: Provide regerror not __regerror.
1596 2000-01-25 Richard Henderson <rth@cygnus.com>
1598 * sparc.c (output_cbranch): Fix accidental squashing of the
1599 fp branch pre-delay nop.
1601 2000-01-25 Richard Henderson <rth@cygnus.com>
1603 * tree.def (UNNE_EXPR): Remove.
1604 * c-typeck.c (build_binary_op): Don't handle it.
1605 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
1607 * rtl.def (UNNE): Remove.
1609 * jump.c (reverse_condition): Update accordingly.
1610 (swap_condition): Likewise.
1611 (comparison_dominates_p): Handle unordered comparisons.
1612 (reverse_condition_maybe_unordered): New.
1613 * rtl.h (reverse_condition_maybe_unordered): Declare.
1615 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
1616 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
1617 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
1618 * sparc.md (bltgt): New.
1620 2000-01-25 Nick Clifton <nickc@redhat.com>
1622 * emit-rtl.c (emit_insn): Only check machine class insns for
1623 improper emission of a RETURN.
1625 2000-01-25 Richard Henderson <rth@cygnus.com>
1627 * Makefile.in (flow.o): Depend on $(EXPR_H).
1628 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
1629 duplicate the structure of diddle_return_value for keeping regs live.
1631 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1633 * loop.c (current_loop_info): Delete.
1634 (consec_sets_invariant_p): Add loop argument, update callers.
1635 (get_condition_for_loop): Likewise.
1636 (count_nonfixed_reads, update_giv_derive): Likewise.
1637 (simplify_giv_expr, general_induction_var): Likewise.
1638 (consec_sets_giv, recombine_givs): Likewise.
1639 (move_movables): Delete loop_start and loop_end arguments,
1640 add loop argument, and update callers.
1641 (find_mem_givs, check_final_value): Likewise.
1642 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
1643 (loop_invariant_p): Rename from invariant_p, add loop argument, and
1645 (basic_induction_var): Add loop argument, delete loop_level argument,
1647 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
1648 add loop argument, and update callers.
1649 (find_splittable_regs, find_splittable_givs): Likewise.
1650 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
1651 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
1652 (biv_total_increment): Delete loop_start and loop_end arguments;
1654 (precondition_loop_p): Delete loop_start and loop_info arguments;
1656 * loop.h (get_condition_for_loop): Add loop argument.
1657 (biv_total_increment): Delete loop_start and loop_end arguments.
1658 (precondition_loop_p): Delete loop_start and loop_info arguments;
1660 (final_biv_value): Delete loop_start and loop_end arguments;
1662 (final_giv_value, back_branch_in_range_p): Likewise.
1664 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1666 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
1668 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1670 * Makefile.in (c-gperf.h) : Change the "See" pointer to
1671 point to the new "generated_files" doc.
1673 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1675 * config/fp-bit.c (_unord_f2): Fix typo.
1677 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1679 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
1680 c-typeck.c, objc/objc-act.c: Remove all references to obstack
1681 functions obsoleted by GC, such as push_obstacks_nochange,
1682 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
1683 and code which existed only to decide whether or not to call
1684 them. Remove now-unused NESTED argument from start_function;
1685 all callers changed. Do not change behavior based on ggc_p.
1686 The use of the ixp_obstack in c-iterate.c and the util_obstack
1687 in objc/objc-act.c remain; these are not obsoleted by garbage
1689 * c-tree.h: Update prototype for start_function.
1691 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
1693 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1695 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
1698 2000-01-25 Richard Henderson <rth@cygnus.com>
1700 * sparc-protos.h (select_cc_mode): Declare.
1701 * sparc.c (select_cc_mode): New. Handle unordered compares.
1702 (output_cbranch): Always reverse via code change. Handle
1703 unordered compares. Factor tests and string updates.
1704 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
1705 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
1706 * sparc.md (bunordered, bordered): New.
1707 (bungt, bunlt, buneq, bunge, bunle): New.
1709 2000-01-25 Richard Henderson <rth@cygnus.com>
1711 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
1712 * ggc-common.c (ggc_add_rtx_varray_root): New.
1713 (ggc_mark_rtx_varray): New.
1714 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
1715 functions down below ggc_mark_foo.
1716 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
1718 2000-01-25 Richard Henderson <rth@cygnus.com>
1720 * alpha.c (secondary_reload_class): Don't allocate a secondary
1721 for integral mode memories into FLOAT_REGS. Rearrange the more
1722 complicated memory expression inward.
1724 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1726 * inclhack.def: Fixes to play nicer with FreeBSD, and
1727 corrections to comments.
1728 (cxx_unready): Add select expression.
1729 (irix_sockaddr): Add bypass expression.
1730 (machine_ansi_h_va_list): New fix.
1731 (stdio_va_list): No need to edit _BSD_VA_LIST_.
1732 Split out addition of "#include <stdarg.h>" to...
1733 (stdio_stdarg_h): ... here.
1734 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
1735 to stdlib.h also. Do not munge _BSD_SIZE_T_.
1736 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
1738 (ultrix_ifdef): Tighten up select expression.
1740 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
1741 re_ct and max_mach to avoid use of shell. Make printed names
1742 match names in inclhack.def. Use static copyright date.
1743 Don't count c_test and test expressions as requiring regex_t
1744 slots. Add some commentary.
1745 * inclhack.tpl: Do not include the 'This script contains N
1746 fixup scripts' line if PROGRAM is defined. Use static
1749 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
1751 * dwarf2out.c: include "varray.h", not dyn-string.h.
1752 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
1753 (addr_const_to_string, addr_to_string): Lose.
1754 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
1755 (struct dw_val_struct): val_addr is now an rtx.
1756 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
1757 (used_rtx_varray): New varray.
1758 (dwarf2out_init): Initialize it.
1760 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
1762 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
1763 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
1764 * Makefile.in (dwarf2out.o): Update dependencies.
1766 2000-01-24 Richard Henderson <rth@cygnus.com>
1768 * i386.c (i386_dwarf_output_addr_const): New.
1769 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
1771 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
1773 * dwarfout.c (output_mem_loc_descriptor): Likewise.
1774 * i386.c (i386_simplify_dwarf_addr): New.
1775 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
1777 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
1779 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
1780 TYPE_STUB_DECL is NULL.
1782 2000-01-24 Richard Henderson <rth@cygnus.com>
1784 * builtins.c (expand_tree_builtin): Move ...
1785 * c-common.c (expand_tree_builtin): ... here.
1787 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1789 * loop.h (LOOP_INFO): New accessor macro.
1790 * basic-block.h (struct loop): Rename field `info' to `aux'.
1791 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
1792 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
1793 * unroll.c (loop_iterations, unroll_loop): Likewise.
1795 2000-01-24 Christopher Faylor <cgf@cygnus.com>
1797 * config/i386/t-cygwin: Accomodate new winsup directory layout
1798 when searching for include files.
1800 2000-01-24 Richard Henderson <rth@cygnus.com>
1802 * rtl.def: Add unordered fp comparisions.
1803 * tree.def: Likewise.
1804 * tree.h: Add ISO C 9x unordered fp comparision builtins.
1806 * builtins.c (expand_tree_builtin): New function.
1807 * c-typeck.c (build_function_call): Use it.
1808 (build_binary_op): Support unordered compares.
1809 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
1811 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
1812 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
1813 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
1814 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
1815 * jump.c (reverse_condition): Don't abort for UNLE etc, but
1817 (swap_condition): Handle unordered compares.
1818 (thread_jumps): Check can_reverse before reversing.
1819 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
1822 * optabs.c (can_compare_p): New argument CODE. Verify branch or
1823 setcc is present before acking for cmp_optab. Update all callers.
1824 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
1825 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
1826 * expr.c (expand_expr): Likewise. Support unordered compares.
1827 (do_jump, do_store_flag): Likewise.
1828 * expr.h (enum libfunc_index): Add unordered compares.
1830 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
1831 (DPBIT_FUNCS): Add _unord_df.
1832 * config/fp-bit.c (_unord_f2): New.
1833 * fp-test.c (main): Try unordered compare builtins.
1835 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
1836 * alpha.c (alpha_comparison_operator): Check mode properly.
1837 (alpha_swapped_comparison_operator): Likewise.
1838 (signed_comparison_operator): Likewise.
1839 (alpha_fp_comparison_operator): New.
1840 (alpha_emit_conditional_branch): Handle unordered compares.
1841 * alpha.h (PREDICATE_CODES): Update.
1842 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
1843 (bunordered, bordered): New.
1845 2000-01-24 Richard Henderson <rth@cygnus.com>
1847 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
1848 * alpha.md (movtf): New expander, insn, and splitter.
1850 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
1852 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
1855 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
1857 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
1858 (FIXED_REGISTERS, CALL_USED_REGISTERS,
1859 REG_ALLOC_ORDER): Add frame pointer
1860 (FRAME_POINTER_REGNUM): Set to 20
1861 (HARD_FRAME_POINTER_REGNUM): New macro.
1862 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
1863 to HARD_FRAME_POINTER.
1864 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
1865 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
1866 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
1867 (HI_REGISTER_NAMES): Add "frame".
1868 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
1869 (debug_reg): Handle FRAME_POINTER_REGNUM.
1870 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
1871 GENERAL_REGS and INDEX_REGS.
1872 * i386.c (SAVED_REGS_FIRST): new macro.
1873 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
1874 (ix86_decompose_address, memory_address_length): Likewise.
1875 (regclass_map): Add frame pointer.
1876 (call_insn_operand): Handle frame_pointer_rtx.
1877 (reg_no_sp_operand): Likewise.
1878 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
1879 (print_operand, legitimize_pic_address): Fix formating.
1880 (ix86_compute_frame_size): Make static, update prototype, new
1881 parameters padding1, padding2, use ix86_nsaved_regs, use
1882 stack_alignment_needed.
1883 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
1884 to HARD_FRAME_POINTER_REGNUM conversions.
1885 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
1886 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
1887 (print_reg): Abort on FRAME_POINTER_REGNUM
1889 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
1891 * i386.h (PREDICATE_CODES): Add aligned_operand.
1892 * i386.c (aligned_operand): New function.
1893 (ix86_aligned_p): Kill.
1894 * i386.md (movhi_1): Emit mov for aligned operands.
1895 (promoting peep2s): Use aligned_operand.
1897 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
1899 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
1900 expression to allow underscores in macro names.
1901 (fix_char_macro_defines): Increment scanning pointer.
1903 2000-01-23 Richard Henderson <rth@cygnus.com>
1905 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
1906 * alpha/osf5.h: New file.
1907 * configure.in (alpha-*-osf5): Add it to tm_file.
1909 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
1911 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
1912 (alpha_emit_xfloating_cvt, function_arg): Declare.
1913 * alpha.c (alpha_emit_conditional_branch): Call
1914 alpha_emit_xfloating_compare for TFmode compares.
1915 (alpha_lookup_xfloating_lib_func): New.
1916 (alpha_compute_xfloating_mode_arg): New.
1917 (alpha_emit_xfloating_libcall): New.
1918 (alpha_emit_xfloating_arith): New.
1919 (alpha_emit_xfloating_compare): New.
1920 (alpha_emit_xfloating_cvt): New.
1921 (print_operand): Add default abort case.
1922 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
1923 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
1924 (BIGGEST_ALIGNMENT): Increase to 128 bits.
1925 (RETURN_IN_MEMORY): True for TF/TCmode.
1926 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
1927 (FUNCTION_ARG): Move to function_arg.
1928 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
1929 (ASM_OUTPUT_LONG_DOUBLE): New.
1930 (ASM_OUTPUT_DOUBLE): Always output bits.
1931 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
1932 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
1933 (extenddftf2, trunctfdf2): New.
1935 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1937 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
1938 * config/sparc/sol2.h: ... here.
1940 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1942 * basic-block.h (struct loops): New field `levels'.
1943 * flow.c (flow_loops_level_compute): Traverse all outer loops.
1944 (flow_loop_level_compute): Initialise level to 1.
1945 (flow_loops_find): Set loops->levels.
1946 (flow_loops_dump): Print loops->levels.
1948 2000-01-23 Richard Henderson <rth@cygnus.com>
1950 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
1951 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
1953 2000-01-23 Richard Henderson <rth@cygnus.com>
1955 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
1956 * i386.h (DBX_REGISTER_NUMBER): Use them.
1957 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
1958 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
1959 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
1960 * i386/sequent.h: Kill incorrect comment.
1962 2000-01-23 Mark Mitchell <mark@codesourcery.com>
1964 * ggc-page.c (struct page_entry): Make `context_depth' an
1966 (struct globals): Likewise.
1968 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
1970 * loop.c (check_dbra_loop): When checking a loop for
1971 reversability, check the source of any stores to ensure
1972 they don't depend on an initial value.
1974 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1976 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
1978 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
1980 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
1981 'pz_scan' into scope of entire function. Only affects
1982 compiles with -DDEBUG.
1984 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
1986 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
1987 section naming to that prior to 2000-01-07 patch.
1988 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
1989 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
1990 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
1991 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
1992 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
1994 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
1996 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
1999 2000-01-21 Jim Wilson <wilson@cygnus.com>
2001 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
2002 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
2004 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
2006 * cpphash.c (change_newlines): Delete function.
2007 (struct argdata): Delete 'newlines' and 'use_count' fields.
2008 (macroexpand): Remove code referencing those fields.
2010 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2012 * loop.c (loops_info): New variable.
2013 (loop_optimize): Allocate loops->array and free it on exit.
2014 Allocate memory for loops_info and assign to each loop,
2016 (find_and_verify_loops): Do not allocate loops->array.
2018 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
2020 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
2022 2000-01-21 Jakub Jelinek <jakub@redhat.com>
2024 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
2025 pseudos if expanded after first flow.
2026 (movdi_pic_label_ref): Likewise.
2028 2000-01-20 Richard Henderson <rth@cygnus.com>
2030 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
2032 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
2034 * Makefile.in (fixinc.sh): Depend on specs.
2035 * fixinc/Makefile.in: Add rule to create machname.h.
2036 (fixlib.o): Depend on machname.h.
2037 * fixinc/fixtests.c (machine_name): New test.
2038 * fixinc/fixfixes.c (machine_name): New fix.
2039 * fixinc/fixlib.c (mn_get_regexps): New helper function for
2040 the machine_name test and fix.
2041 * fixinc/fixlib.h: Prototype it.
2042 * fixinc/inclhack.def (machine_name): Use the C test and fix.
2043 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
2045 * gcc.c (do_spec_1) [case P]: Take care not to create
2046 identifiers with three leading or trailing underscores.
2048 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
2049 (fixincl): Don't specify libraries twice on link line.
2050 (gnu-regex.o): Remove special rule.
2051 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
2052 defined by config.h. Do not define _REGEX_RE_COMP.
2053 (regcomp): Allocate and initialize a fastmap.
2054 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
2056 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
2058 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
2060 2000-01-19 Richard Henderson <rth@cygnus.com>
2062 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
2063 arguments with BB. Update all callers. Tidy line wrapping.
2065 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
2067 * emit-rtl.c (try_split): Return last_insn if we split the
2070 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
2072 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
2073 (ix86_initial_elimination_offset): Declare.
2074 * i386.c (ix86_nsaved_regs): Break out from ...
2075 (ix86_can_use_return_insn_p): ... here.
2076 (ix86_emit_save_regs): Break out from ...
2077 (ix86_expand_prologue): ... here.
2078 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
2080 (ix86_expand_epilogue): ... here.
2081 (ix86_compute_frame_size): Make static, add prototype.
2082 (ix86_initial_elimination_offset): Break out from ...
2083 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
2085 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2087 * recog.h (OUT_FCN): Delete.
2089 * vax.md: Call `get_insn_template' instead of OUT_FCN.
2091 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2093 * cppalloc.c: PROTO -> PARAMS.
2094 * cpperror.c: Likewise.
2095 * cppfiles.c: Likewise.
2096 * cpplib.c: Likewise.
2097 * cpplib.h: Likewise.
2099 * config/arm/arm-protos.h: PROTO -> PARAMS.
2100 * config/arm/arm.c: Likewise.
2101 * config/c4x/c4x.c: Likewise.
2102 * config/fr30/fr30-protos.h: Likewise.
2103 * config/nextstep.c: Likewise.
2104 * config/pa/pa.c: Likewise.
2105 * config/pj/pj.c: Likewise.
2106 * config/rs6000/rs6000.c: Likewise.
2107 * config/v850/v850-protos.h: Likewise.
2108 * config/v850/v850.c: Likewise.
2110 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2112 * i370-protos.h: New file.
2114 * i370.c: Include tm_p.h. Fix compile time warnings.
2116 * i370.h: Move prototypes to i370-protos.h. Fix compile time
2119 * i370.md: Likewise.
2121 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2123 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
2124 (target_isinf, target_isnan, eisnan): Mark parameter with
2126 (eiisinf): Wrap in INFINITY.
2127 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
2128 (ibmtoe): Remove unused variable `rndsav'.
2130 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2132 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
2133 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
2135 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
2137 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
2138 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
2139 (fix_char_macro_defines, fix_char_macro_uses): New functions.
2141 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
2142 Recognize Emacs mode markers also.
2143 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
2144 C++ comments in C++ headers. Call is_cxx_header only if
2147 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
2149 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
2150 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
2151 ... these, which use the new C fixes.
2152 (math_exception): Escape literal '+' in bypass expression.
2154 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
2157 2000-01-19 Geoff Keating <geoffk@cygnus.com>
2159 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
2162 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2164 * loop.c (loop_optimize): Allocate loop_info structure for each loop
2165 prior to calling scan_loop.
2167 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2169 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
2170 (split_branches, calc_live_regs): Likewise.
2172 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2174 * sh.md (fpu_single, fp_mode): New attributes.
2176 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2178 * loop.c (current_loop_info): Renamed from loop_info_data
2179 and changed to a pointer.
2180 (loop_optimize): Allocate loop_info structure for each loop
2181 and initialise to zero.
2182 (scan_loop): Set current_loop_info.
2184 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
2187 2000-01-19 Richard Henderson <rth@cygnus.com>
2189 * stupid.c: Die die die.
2190 * Makefile.in (OBJS): Remove stupid.o.
2191 (stupid.o): Likewise.
2193 * except.c (emit_eh_context): Don't emit USEs for stupid.
2194 * explow.c (probe_stack_range): Likewise.
2195 * flags.h (obey_regdecls): Remove.
2196 * flow.c (find_basic_blocks): Don't run try_merge_blocks
2197 when not optimizing.
2198 (life_analysis): Limit data collection when not optimizing.
2199 (mark_regs_live_at_end): Always mark the return value registers.
2200 (mark_used_regs): Remove dummy RETURN case.
2201 (print_rtl_with_bb): Don't consult obey_regdecls.
2202 * function.c (use_variable, use_variable_after): Remove.
2203 (assign_parms): Consult optimize not obey_regdecls.
2204 (expand_function_start): Don't emit USEs for stupid.
2205 (expand_function_end): Likewise.
2206 * global.c (build_insn_chain): Export.
2207 * integrate.c (expand_inline_function): Kill return-value USE
2209 * jump.c (jump_optimize_1): Do simple jump optimizations and
2210 dead code elimination.
2211 (calculate_can_reach_end): Remove check_deleted argument.
2212 (delete_insn): Patch out insns even when not optimizing.
2213 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
2214 * rtl.h (use_variable, use_variable_after): Remove declarations.
2215 (build_insn_chain): Declare.
2216 * stmt.c (expand_value_return): Don't emit USEs for stupid.
2217 (expand_end_bindings): Likewise.
2218 (expand_decl): Likewise. Consult optimize not obey_regdecls.
2219 * toplev.c (obey_regdecls): Remove.
2220 (rest_of_compilation): Don't set it. Kill stupid in favour of
2221 flow1, local-alloc, and reload.
2222 (main): Don't set obey_regdecls.
2224 * config/nextstep.c (handle_pragma): Likewise.
2226 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
2228 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
2230 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2232 * alpha-protos.h: PROTO -> PARAMS.
2233 * alpha.c: Likewise.
2235 * h8300.c: Likewise.
2236 * i386-protos.h: Likewise.
2238 * m32r-protos.h: Likewise.
2241 * mips.md: Likewise.
2242 * gmon-sol2.c: Likewise.
2243 * sparc.c: Likewise.
2245 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2247 * ns32k-protos.h: New file.
2249 * ns32k.c: Fix compile time warnings.
2251 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
2254 * ns32k.md: Likewise.
2256 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2258 * vax-protos.h: New file.
2260 * vax.c: Fix compile time warnings.
2262 * vax.h: Move prototypes to vax-protos.h. Fix compile time
2267 * vaxv.md: Likewise.
2269 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2271 * romp-protos.h: New file.
2273 * romp.c: Fix compile time warnings.
2275 * romp.h: Move prototypes to romp-protos.h. Fix compile time
2278 * romp.md: Likewise.
2280 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2282 * we32k-protos.h: New file.
2284 * we32k.c: Fix compile time warnings.
2286 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
2289 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2291 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
2293 * except.c (eh_regs): Likewise.
2295 * final.c (output_operand): Likewise.
2297 * fold-const.c (target_isinf, target_isnan): Likewise.
2299 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
2301 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
2302 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
2304 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
2306 (clrstrsi): Rewrite.
2307 (strsethi, strsetqi): New expanders.
2308 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
2309 (cmpstrsi): Emit compare insn before cmpstrsi_1
2310 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
2311 (strlensi_1): Likewise.
2312 (cmpstrsi_1): Likewise; do not output compare.
2313 (strlen expander): Do not unroll when optimizing for size.
2314 (*subsi3_carry): Rename to subsi3_carry
2315 (addqi3_cc): New pattern.
2316 * i386.h (processor_costs): Add move_ratio field.
2317 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
2318 * i386.c (*_cost): Set move_ratio.
2319 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
2320 (x86_expand_strlensi_1): Rewrite the main loop.
2322 2000-01-17 Richard Henderson <rth@cygnus.com>
2324 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
2325 * cse.c (find_comparison_args, fold_rtx): Likewise.
2326 * integrate.c (subst_constants): Likewise.
2327 * loop.c (get_condition): Likewise.
2329 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
2331 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
2333 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2335 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
2336 (RESTORE_WARN_FLAGS): Unpack it.
2337 Change semantic type of extension to ttype.
2338 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
2339 * c-parse.y, c-parse.c, objc/objc-parse.y,
2340 objc/objc-parse.c: Regenerate.
2342 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
2344 * fixinc/fixlib.c: Add copyright notice.
2345 (compile_re): New function.
2346 * fixinc/fixlib.h: Prototype compile_re.
2348 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
2349 Use compile_re to compile regular expressions.
2351 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
2352 where the pattern matched.
2354 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
2356 (ultrix_ansi_compat): Likewise.
2357 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
2359 (interactv_add2, interactv_add3): Delete.
2360 (x11_sprintf): Don't use filename glob.
2361 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
2364 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2366 * print-rtl.c: PROTO -> PARAMS.
2368 * reg-stack.c: Likewise.
2369 * resource.c: Likewise.
2370 * sdbout.h: Likewise.
2371 * simplify-rtx.c: Likewise.
2372 * stor-layout.c: Likewise.
2373 * stupid.c: Likewise.
2374 * xcoffout.c: Likewise.
2375 * xcoffout.h: Likewise.
2377 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2379 * toplev.c: PROTO -> PARAMS.
2380 * toplev.h: Likewise.
2383 * unroll.c: Likewise.
2384 * varasm.c: Likewise.
2385 * varray.c: Likewise.
2386 * varray.h: Likewise.
2388 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2390 * reload.c: PROTO -> PARAMS.
2391 * reload.h: Likewise.
2392 * reload1.c: Likewise.
2393 * reorg.c: Likewise.
2394 * resource.h: Likewise.
2397 * rtlanal.c: Likewise.
2398 * sbitmap.h: Likewise.
2399 * sdbout.c: Likewise.
2400 * stack.h: Likewise.
2402 * system.h: Likewise.
2404 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2406 * machmode.h: PROTO -> PARAMS.
2407 * mbchar.h: Likewise.
2408 * mips-tdump.c: Likewise.
2409 * mips-tfile.c: Likewise.
2410 * optabs.c: Likewise.
2411 * output.h: Likewise.
2412 * prefix.c: Likewise.
2413 * profile.c: Likewise.
2414 * protoize.c: Likewise.
2416 * recog.c: Likewise.
2417 * recog.h: Likewise.
2418 * regclass.c: Likewise.
2419 * regmove.c: Likewise.
2422 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2424 * ggc-common.c: PROTO -> PARAMS.
2425 * ggc-page.c: Likewise.
2426 * ggc-simple.c: Likewise.
2428 * global.c: Likewise.
2429 * graph.c: Likewise.
2430 * gthr-win32.h: Likewise.
2431 * haifa-sched.c: Likewise.
2432 * halfpic.h: Likewise.
2433 * integrate.c: Likewise.
2434 * integrate.h: Likewise.
2437 * local-alloc.c: Likewise.
2441 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2443 * genattr.c: PROTO -> PARAMS.
2444 * genattrtab.c: Likewise.
2445 * gencheck.c: Likewise.
2446 * gencodes.c: Likewise.
2447 * genconfig.c: Likewise.
2448 * genemit.c: Likewise.
2449 * genextract.c: Likewise.
2450 * genflags.c: Likewise.
2451 * gengenrtl.c: Likewise.
2452 * genopinit.c: Likewise.
2453 * genoutput.c: Likewise.
2454 * genpeep.c: Likewise.
2455 * genrecog.c: Likewise.
2457 2000-01-16 Mark Mitchell <mark@codesourcery.com>
2459 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
2461 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2463 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
2464 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
2465 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
2466 * configure, config.in: Rebuilt.
2468 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
2470 * config/i386/i386.md: Add peephole to merge successive stack
2473 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
2475 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
2476 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
2477 when walking backwards to find all the parameter loads when
2478 the basic block ends in a call.
2480 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2482 * loop.c (this_loop_info): Delete.
2483 (uid_loop): Add in place of uid_loop_num. All uses updated.
2484 (loop_number_exit_count): Delete and replace with entry in loop
2485 structure. All uses updated.
2486 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2487 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2488 (loop_outer_loop): Likewise.
2489 (loop_invalid, loop_number_exit_labels): Likewise.
2490 (loop_used_count_register): Delete and replace with entry in
2491 loop_info structure.
2492 (find_and_verify_loops): Add loops argument.
2493 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
2494 loop_end, etc. arguments with loop structure pointer. All callers
2496 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
2497 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
2498 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
2499 (insert_bct): Likewise.
2500 (basic_induction_var): New argument level.
2501 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
2502 vtop, and cont. Add used_count_register.
2503 (uid_loop): Delete declaration.
2504 (loop_number_exit_count): Likewise.
2505 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2506 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2507 (loop_outer_loop, loop_used_count_register): Likewise.
2508 (loop_invalid, loop_number_exit_labels): Likewise.
2509 (unroll_loop): Replace loop_start and loop_end arguments
2510 with loop structure pointer.
2511 (loop_precondition_p, loop_iterations): Likewise.
2512 Include basic-block.h.
2513 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
2514 with loop structure pointer.
2515 (loop_precondition_p, loop_iterations): Likewise.
2516 * basic-block.h (struct loop): New entries vtop, cont,
2517 cont_dominator, start, end, top, scan_start, exit_labels,
2519 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
2521 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2523 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
2525 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
2527 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
2529 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2531 * pdp11-protos.h: New file.
2533 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
2536 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
2539 * pdp11.md: Likewise.
2543 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2545 * mn10300-protos.h: New file.
2547 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
2550 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
2553 * mn10300.md: Likewise.
2555 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2557 * mn10200-protos.h: New file.
2559 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
2562 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
2565 * mn10200.md: Likewise.
2567 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2569 * h8300-protos.h: New file.
2571 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
2574 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
2577 * h8300.md: Likewise.
2579 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2581 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
2582 (asm_emit_uninitialised): Likewise.
2584 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
2586 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
2587 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
2589 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2591 * config/mips/mips.c (override_options): Don't turn on extra
2592 alignment for mips16.
2594 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2596 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
2597 eabi, and make sure queued POSTINCREMENT rtl is emitted at
2600 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2602 * builtins.c (PAD_VARARGS_DOWN): Define.
2603 (std_expand_builtin_va_arg): Use the above macro.
2604 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
2605 * tm.texi (Register Arguments): Document the above macro.
2607 2000-01-14 Nick Clifton <nickc@cygnus.com>
2609 * emit-rtl.c (emit_insn): If checking is enabled, make sure
2610 that this function has not been used to emit a jump
2613 * jump.c (return_jump_1): Cope with being passed a null rtx.
2615 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2617 * eh-common.h: PROTO -> PARAMS.
2618 * emit-rtl.c: Likewise.
2619 * errors.c: Likewise.
2620 * errors.h: Likewise.
2621 * except.c: Likewise.
2622 * except.h: Likewise.
2623 * explow.c: Likewise.
2624 * expmed.c: Likewise.
2627 * final.c: Likewise.
2628 * fix-header.c: Likewise.
2630 * fold-const.c: Likewise.
2631 * function.c: Likewise.
2632 * function.h: Likewise.
2634 * gcov-io.h: Likewise.
2638 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2640 * sh-protos.h: New file.
2642 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
2643 Add static prototypes. Fix compile time warnings.
2645 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
2649 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2651 * arc-protos.h: New file.
2653 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
2656 * arc.h: Move prototypes to arc-protos.h. Fix compile time
2661 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2663 * dsp16xx-protos.h: New file.
2665 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
2668 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
2671 * dsp16xx.md: Likewise.
2673 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2675 * convex-protos.h: New file.
2677 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
2680 * convex.h: Move prototypes to convex-protos.h. Fix compile time
2683 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2685 * elxsi-protos.h: New file.
2687 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
2690 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
2693 * elxsi.md: Likewise.
2695 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2697 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
2698 case for moving from HI/LO/HI_LO_REG. This makes the behavior
2699 match the comment for MIPS16.
2701 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
2703 * flow.c (split_edge): Do not call set_block_for_insn if we
2704 do not have a basic_block_for_insn structure.
2706 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
2707 and destination functions are 32bit aligned within the trampoline.
2708 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
2709 (TRAMPOLINE_ALIGNMENT): Define.
2711 * cse.c (cse_insn): When changing (set (pc) (reg)) to
2712 (set (pc) (label_ref)), verify the change creates a valid insn.
2714 * fr30.c (call_operand): Tighten and rework to match rules for
2715 call RTL expressions.
2716 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
2717 * fr30.md (call patterns): Improve constraints.
2719 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
2721 * fr30.c (fr30_expand_epilogue): Revert last change.
2722 Use emit_jump_insn for the return insn.
2724 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
2725 Stan Cox <scox@cygnus.com>
2727 * predict.c: New file. Preliminary infrastructure work for static
2728 branch prediction and basic block reordering.
2729 * basic-block.h: Add prototype for estimate_probability.
2730 * Makefile.in: Add rules for predict.o.
2732 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
2734 * fixincludes (va_list): Use __not_va_list__ for the dummy.
2735 * fixinc/*: Likewise.
2737 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2739 * cccp.c: PROTO -> PARAMS.
2741 * collect2.c: Likewise.
2742 * combine.c: Likewise.
2743 * convert.h: Likewise.
2745 * dbxout.c: Likewise.
2746 * dbxout.h: Likewise.
2747 * diagnostic.c: Likewise.
2748 * doprint.c: Likewise.
2749 * dwarf2out.c: Likewise.
2750 * dwarf2out.h: Likewise.
2751 * dwarfout.c: Likewise.
2752 * dwarfout.h: Likewise.
2753 * dyn-string.h: Likewise.
2755 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2757 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
2758 macro conditionals guarding use.
2760 * dwarf2out.c: Include "tm_p.h".
2762 * function.c (locate_and_pad_parm): Mark parameter with
2764 (expand_function_end): Likewise for variable `context'.
2766 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
2768 2000-01-13 Nick Clifton <nickc@cygnus.com>
2770 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
2771 register to prevent compile time warnings.
2773 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
2775 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
2776 to avoid -Wtraditional warning.
2778 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2780 * 1750a-protos.h: New file.
2782 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
2785 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
2788 * 1750a.md: Likewise.
2790 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2792 * a29k-protos.h: New file.
2794 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
2797 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
2800 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2802 * clipper-protos.h: New file.
2804 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
2807 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
2810 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2812 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
2814 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
2816 * configure.in (--enable-new-gxx-abi): New option.
2817 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
2818 * Makefile.in (GXX_ABI_FLAG): New variable.
2819 * configure: Regenerate.
2821 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2823 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
2824 * tm.texi (FORCE_STRUCT_BLK): Document.
2825 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
2827 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
2829 * config/ns32k/ns32k.md: Revert Jan 9 change.
2831 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
2832 to a mode-test, if the predicate is address_operand.
2834 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
2836 * combine.c (if_then_else_cond): Be careful about what kinds
2837 of RTL expressions are passed to operand_subword.
2839 * flow.c (split_edge): If we have to insert a new jump, make
2840 sure to associate it with a basic block.
2842 * flow.c (commit_one_edge_insertion): A block with one successor
2843 can end in a JUMP_INSN that is not a simplejump.
2845 2000-01-12 Robert Lipe <robertl@sco.com>
2847 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
2848 (BUILD_VA_LIST_TYPE): Define.
2849 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
2852 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
2854 * cccp.c (do_pragma): Add cast to (char *).
2856 2000-01-12 Richard Henderson <rth@cygnus.com>
2857 Fred Fish <fnf@be.com>
2858 Jason Merrill <jason@cygnus.com>
2860 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
2861 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
2862 * i386/beos-elf.h, i386/beos-pe.h: New files.
2864 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
2865 * cross-make (SYSTEM_HEADER_DIR): Define using
2866 CROSS_SYSTEM_HEADER_DIR.
2868 * gcc.c (LIBRARY_PATH_ENV): Provide default.
2869 (process_command): Use it.
2870 (main): Likewise. Kill trailing = from env vars.
2871 (build_search_list): Put it back.
2872 * collect2.c (main): Use LIBRARY_PATH_ENV.
2874 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
2875 * toplev.c: Use NEED_DECLARATION_ENVIRON.
2877 * tm.texi (Frame Layout): Document SMALL_STACK.
2878 * c-common.c (c_common_nodes_and_builtins): Check it.
2880 * system.h: Undef alloca after including glibc's <stdlib.h>,
2881 if USE_C_ALLOCA is defined.
2883 * gcc.c (set_input): New fn.
2884 (main): After all input files are compiled, reset the input file
2887 * aclocal.m4 (rindex, index): If already defined, don't attempt
2890 * ginclude/varargs.h: (__va_list__): Define ifndef.
2891 * ginclude/stdarg.h: Likewise.
2893 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
2894 instead of unsigned char.
2896 * hash.h (true, false, boolean): Undef before enum.
2898 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
2899 proper type of "HOST_WIDE_INT *", rather than their natural type of
2900 "unsigned HOST_WIDE_INT *".
2902 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2904 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
2906 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
2908 * regclass.c (choose_hard_reg_mode): Likewise.
2910 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
2912 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
2914 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2916 * c-common.c: PROTO -> PARAMS.
2917 * c-common.h: Likewise.
2918 * c-decl.c: Likewise.
2919 * c-iterate.c: Likewise.
2920 * c-lang.c: Likewise.
2921 * c-lex.c: Likewise.
2922 * c-lex.h: Likewise.
2923 * c-parse.in: Likewise.
2924 * c-pragma.c: Likewise.
2925 * c-pragma.h: Likewise.
2926 * c-tree.h: Likewise.
2927 * c-typeck.c: Likewise.
2928 * objc/objc-act.c: Likewise.
2929 * objc/objc-act.h: Likewise.
2931 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2933 * m88k-protos.h: New file.
2935 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
2938 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
2940 * m88k.md: Likewise.
2942 * tekXD88.h: Likewise.
2944 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2946 * m68k-protos.h: New file.
2948 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
2951 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
2953 * mot3300.h: Likewise.
2955 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
2957 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
2959 (extract_bitlist): Declare bitlen.
2961 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
2963 * cccp.c: Accept and ignore -lang-fortran.
2965 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
2966 qualifiers don't match at any level of pointerness.
2968 2000-01-12 Robert Lipe <robertl@sco.com>
2970 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
2972 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
2974 * reload1.c (reload_reg_unavailable): New static variable.
2975 (reload_reg_free_p): Test it.
2976 (reload_reg_free_for_value_p): Test it instead of
2978 (choose_reload_regs_init): Compute it.
2980 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
2982 * reorg.c (fill_slots_from_thread): Check modified_in_p
2985 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
2987 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
2988 these nodes even if INTERNALS is not set.
2990 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
2992 * gcse.c (delete_null_pointer_checks_1): Cope when
2993 get_condition cannot determine the condition.
2995 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
2997 * toplev.h (set_message_length): Declare.
2999 * diagnostic.c (obstack_chunk_alloc): Define macro.
3000 (obstack_chunk_free): Likewise.
3001 (struct output_buffer): New data structure.
3003 (output_maximum_width): New variable.
3004 (doing_line_wrapping, set_message_length, init_output_buffer,
3005 get_output_prefix, output_space_left, emit_output_prefix,
3006 output_newline, output_append, output_puts, dump_output,
3007 vbuild_message_string, build_message_string, build_location_prefix,
3008 voutput_notice, output_printf, line_wrapper_printf,
3009 vline_wrapper_message_with_location): New functions. Implement
3010 automatic line wrapping.
3011 (v_message_with_decl): Make it handle automatic line wrapping.
3012 (v_error_with_file_and_line): Likewise.
3013 (v_warning_with_file_and_line): Likewise.
3014 (announce_function): Likewise.
3015 (default_print_error_function): Likewise.
3017 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
3019 * cpplib.h (struct cpp_options): Change lang_asm to char.
3021 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
3022 done in cpp_handle_option now.
3023 (initialize_builtins): Take out special case code used only by
3025 (cpp_handle_option): Turn off trigraphs and trigraph warnings
3026 if -traditional. Recognize -lang-fortran and set
3027 lang_fortran, also turn off cplusplus_comments.
3028 (print_help): Document -lang-fortran.
3029 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
3030 lang_asm. Ignore all directives other than `# 123 "file"' if
3032 (cpp_get_token): If -traditional, don't recognize directives
3033 unless the # is in column 1.
3034 (parse_string): If lang_fortran or lang_asm, silently
3035 terminate strings ('' or "") at end of line.
3036 Remove unnecessary braces.
3038 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3039 Richard Henderson <rth@cygnus.com>
3041 * resource.c (mark_referenced_resources): Mark a set strict_low_part
3043 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
3044 strict_low_part when possible.
3046 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3048 * alias.c: PROTO -> PARAMS.
3049 * basic-block.h: Likewise.
3050 * bitmap.c: Likewise.
3051 * bitmap.h: Likewise.
3052 * builtins.c: Likewise.
3053 * c-aux-info.c: Likewise.
3054 * caller-save.c: Likewise.
3055 * calls.c: Likewise.
3057 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3059 * Makefile.in (toplev.o): Depend on regs.h.
3061 * output.h (tdesc_section): Prototype.
3063 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
3065 * sdbout.c: Include "tm_p.h".
3067 * toplev.c: Include "regs.h".
3069 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
3071 * unroll.c (unroll_loop): Add EH support.
3073 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3075 * pa-protos.h: New file.
3077 * pa.c: Include recog.h and tm_p.h.
3078 (compute_zdepwi_operands, compute_movstrsi_length,
3079 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
3080 find_addr_reg, import_milli): Add static prototypes.
3081 (pa_cpu_string, pa_arch_string): Constify a char*.
3082 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
3083 (read_only_operand): Add argument `mode'.
3084 (singlemove_string, output_move_double, output_fp_move_double,
3085 output_block_move, output_and, output_ior, output_ascii,
3086 remove_useless_addtr_insns, milli_names, output_mul_insn,
3087 output_div_insn, output_mod_insn, output_arg_descriptor,
3088 output_cbranch, output_bb, output_bvb, output_dbra, ,
3089 output_millicode_call, output_call, hppa_encode_label,
3090 output_parallel_movb, output_parallel_addb): Constify a char*.
3091 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
3092 (output_parallel_addb): Remove extra arg to `constrain_operands'
3094 * pa.h: Move all prototypes to pa-protos.h.
3095 (pa_cpu_string, pa_arch_string): Constify a char*.
3096 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
3098 * pa.md: Call `function_label_operand' with mode argument.
3099 Likewise for `read_only_operand'.
3100 Fix nesting of parens in call to `symbolic_operand'.
3102 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3104 * i860-protos.h: New file.
3106 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
3109 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
3111 * i860.md: Likewise.
3113 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
3115 * i386.md (movstrsi expander): Rewrite.
3116 (movstrsi_1 insn): Deleted.
3117 (strmovhi, strmovqi expander): New expanders.
3118 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
3119 * i386.c (x86_single_stringop): New global variable.
3120 * i386.h (x86_single_stringop): Declare.
3121 (TARGET_SINGLE_STRINGOP): New macro.
3123 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
3125 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
3126 integer vararg POSTINCREMENT before the destination of the jump
3127 for the hard fp case.
3128 (function_arg_pass_by_reference): Pass a copy of CUM to
3131 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
3132 for CONSTANT_ADDRESS_P above while loop for subreg.
3134 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
3136 * flow.c (propagate_block): When a prologue/epilogue insn
3137 is marked dead, unconditionally clear libcall_is_dead and
3138 insn_is_dead, and only dump rtl if warnings aren't being
3141 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
3143 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
3144 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
3145 (FIXED_REGISTERS): Set dirflag as fixed.
3146 (CALL_USED_REGISTERS): Set dirflag as used.
3147 (REG_ALLOC_ORDER): Set dirflag as last one.
3148 (DIRFLAG_REG): New macro.
3149 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
3150 (HI_REGISTER_NAMES): Add dirflag.
3151 (DEBUF_PRINT_REG): Handle dirflag.
3152 * i386.md (type attribute): New cld and str types.
3153 (length_opcode attribute): Set cld and str to 1.
3154 (memory attribute): Set str to unknown - it is not clear from the
3156 (pent_np function unit): Prefixed string operations takes 12 cycles
3157 minimally; cld takes 2 cycles.
3158 (ppro_uops attribute): Str is "many" and cld is "few".
3159 (ppro_p0 unit): Handle cld here.
3160 (k6_alux unit): Handle cld and str types.
3161 (k6_load unit): It is ocupied by str opcodes.
3162 (k6_store unit): It is ocupied by str opcodes.
3163 (athlon_decode): Str is vector decoded.
3164 (athlon_ieu): Handle str and cld.
3166 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
3167 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
3168 cmpstrsi_nz_1 insn): Do not output cld instruction
3170 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
3172 * gcc.texi (G++ and GCC): Add Java and Chill.
3173 (Bug Critera): Don't list languages.
3175 * gcc.texi (Incompatibilities): No longer claim most C compilers
3178 * gcc.texi (G++ and GCC): Update other front-ends list.
3180 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
3182 * i386.c (ix86_expand_setcc): Fix typo.
3183 (ix86_expand_movcc): Similarly.
3185 * Band-aid until haifa's bitset implementation is nuked.
3186 * haifa-sched.c (extract_bitlst): New parameter for size of the
3187 bitset in bits. All callers changed. Avoid looking at undefined
3189 (edgeset_bitsize): New variable.
3190 (schedule_region): Initialize edgeset_bitsize.
3192 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3194 * Makefile.in (optabs.o): Depend on real.h
3195 (resource.o): Depend on insn-attr.h
3197 * builtins.c (result_vector): Wrap prototype in macro conditions
3198 governing definition and use.
3200 * c-common.c: Include tm_p.h.
3202 * c-lex.c: Likewise.
3204 * elfos.h: Constify a char*.
3206 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
3207 (get_attr_length, shorten_branches, profile_after_prologue): Mark
3208 parameter with ATTRIBUTE_UNUSED.
3210 * fold-const.c (exact_real_inverse): Wrap variable `i' in
3213 * haifa-sched.c (schedule_insns): Mark parameter with
3216 * optabs.c: Include real.h.
3218 * real.h (ereal_atof): Add prototype arguments.
3220 * resource.c: Include insn-attr.h.
3222 * sdbout.c (sdbout_queue_anonymous_type,
3223 sdbout_dequeue_anonymous_types): Wrap in macro
3224 SDB_ALLOW_FORWARD_REFERENCES.
3225 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
3228 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
3230 * stupid.c: Include tm_p.h.
3232 * tree.c (real_value_from_int_cst): Mark parameter with
3235 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3237 * i960-protos.h: New file.
3239 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
3242 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
3244 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3246 * combine.c (expand_field_assignment): Do not discard SUBREGs
3247 while computing nonzero_bits.
3249 2000-01-09 Nick Clifton <nickc@cygnus.com>
3251 * config/arm/arm.c: Fix compile time warnings about signed vs
3253 * config/arm/arm.h: Fix compile time warnings about signed vs
3256 2000-01-09 Philip Blundell <philb@gnu.org>
3258 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
3259 than `ldm' with only one register.
3260 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
3263 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
3266 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
3268 * config/ns32k/ns32k.md (load or push effective address): Operand 1
3271 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3273 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
3274 assignment used as truth value.
3276 * function.c (assign_temp): Mark parameter `dont_promote' with
3277 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
3278 PROMOTE_FOR_CALL_ONLY.
3280 * genrecog.c (write_subroutine): Mark variable `operands' with
3283 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
3286 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
3287 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
3289 * toplev.c (note_deferral_of_defined_inline_function): Likewise
3292 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3294 * config/c4x.h: Tidy up comments.
3295 * config/c4x.c: Likewise.
3297 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
3299 * fold-const.c (lshift_double, rshift_double): Handle
3300 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
3302 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3304 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
3305 in prepare_function_start().
3307 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
3309 * config/v850/v850.c (expand_epilogue): Interrupt functions no
3310 longer allocate extra stack for function calls.
3312 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3314 * config/c4x/c4x.md (*subqf3_set): Fix typo.
3316 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3318 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
3320 2000-01-07 David Edelsohn <edelsohn@gnu.org>
3322 * rs6000.c (processor_target_table): Add power3 as alias for 630.
3323 * aix43.h: Revert Aug 2 change.
3324 (HAS_INIT_SECTION): Define, not visible yet.
3325 (LD_INIT_SWITCH): Define, not visible yet.
3326 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
3328 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
3330 * collect2.c (main): Expand ld2 size further.
3331 (export_object_lst): Cast assignment to avoid warning.
3332 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
3333 (scan_prog_file, COFF): Do not collect initialization or
3334 finalization functions generated for entire shared object if
3335 init/fini support present.
3337 2000-01-07 Nick Clifton <nickc@cygnus.com>
3339 * config/elfos.h: Tidy up formatting of marcos. Make sure
3340 that .section directives are always prefixed by a tab.
3342 * config/svr4.h: Add #include "elfos.h" and remove duplicate
3345 2000-01-07 Matt Austern <austern@sgi.com>
3347 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
3350 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
3352 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
3354 (crtbegin.o, s-crtS): Likewise.
3356 2000-01-06 Richard Henderson <rth@cygnus.com>
3358 * alpha.md (adddi_2+1): Limit offset such that it will be
3359 loadable with a single ldah+lda pair.
3360 (adddi_2+2): Explicitly fail split if we can't make it work.
3362 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
3364 * protoize.c: Conditionally include unistd.h.
3365 (IS_SAME_PATH_CHAR): New macro.
3366 (IS_SAME_PATH): New macro.
3367 (CPLUS_FILE_SUFFIX): New macro.
3368 (cplus_suffix): New static variable.
3369 (is_abspath): New static function.
3370 (in_system_include_dir): Handle DOS style pathnames.
3371 (file_could_be_converted): Likewise.
3372 (file_normally_convertible): Likewise.
3373 (directory_specified_p): Likewise.
3374 (file_excluded_p): Likewise.
3375 (abspath): Likewise.
3376 (shortpath): Likewise.
3377 (referenced_file_is_newer): Likewise.
3378 (save_def_or_dec): Likewise.
3379 (do_processing): Likewise.
3381 (edit_file): Likewise. Use rename instead of link.
3382 (rename_c_file): Likewise. Don't rename syscalls file.
3383 (munge_compile_params): Define null device for DOS based systems.
3384 (process_aux_info_file): Use binary mode if appliable.
3385 (edit_file): Likewise.
3386 * invoke.texi (Running Protoize): Document C++ suffixes used.
3388 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
3389 IS_DIR_SEPARATOR macros.
3390 * collect2.c: Likewise.
3391 * cppinit.c: Likewise.
3392 * dwarf2out.c: Likewise.
3395 * prefix.c: Likewise.
3397 * toplev.c: Likewise.
3398 * system.h: And move to here.
3400 * prefix.c (update_path): Fix typo in variable name.
3402 2000-01-06 Richard Henderson <rth@cygnus.com>
3404 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
3405 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
3406 (count_reg_sets_1, count_reg_references): Likewise.
3407 (flow_loops_level_compute): Start counting actual loop depth at 1.
3408 (flow_loops_find): Likewise.
3409 * local-alloc.c (update_equiv_regs): Likewise.
3410 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
3412 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3414 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
3415 FIRST_PSEUDO_REGISTER
3416 * dwarf2out.c: Don't include frame.h
3417 * dwarfout.c: Likewise
3418 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
3421 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
3423 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
3426 * i386.c (movsf splitter): Fix typo in my last checkin.
3428 2000-01-05 Nick Clifton <nickc@cygnus.com>
3430 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
3431 own definition of this macro.
3432 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
3433 flag_data_sections or UNIQUE_SECTION_P are true.
3435 * tm.texi (UNIQUE_SECTION): Document that it can be called for
3436 unitialised data decls.
3438 * config/i386/winnt.c (i386_pe_unique_section): Cope with
3439 being called for uninitialised data.
3441 * config/i386/interix.c (i386_pe_unique_section): Cope with
3442 being called for uninitialised data.
3444 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
3445 for uninitialised data.
3447 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
3448 for uninitialised data.
3450 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
3451 for uninitialised data.
3453 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
3454 (UNIQUE_SECTION_P): Always generate a unique section if
3455 flag_data_sections is true.
3456 (UNIQUE_SECTION): Also generate unique sections for
3458 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
3459 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
3462 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3464 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
3467 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3469 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
3470 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
3471 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
3472 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
3473 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
3475 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
3477 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
3479 * c-decl.c (finish_enum): Simplify code to determine minimum and
3480 maximum values of the enum, and calculate the type. Remove check
3481 for FUNCTION_DECLs in the values list, which cannot happen. Replace
3482 the DECL_INITIAL of each enumeration constant with a copy converted
3483 to the enumeration type. When updating variant types, don't bother
3484 updating the type itself.
3486 * c-typeck.c (build_binary_op): Simplify conditional expressions
3487 when weeding out spurious signed-unsigned warnings. Add new
3488 spurious warning category: if the unsigned quantity is an enum
3489 and its maximum value fits in signed_type(result_type). Update
3491 (build_conditional_expr): Warn here if one alternative is signed
3492 and the other is unsigned.
3494 2000-01-05 Nick Clifton <nickc@cygnus.com>
3496 * config/fr30/fr30.h: Remove extraneous comments.
3498 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
3500 * reload1.c (choose_reload_regs): When disabling a reload, also
3501 set reload_spill_index to -1.
3503 2000-01-04 Joel Sherrill (joel@OARcorp.com>
3505 * configure.in (m68*-*-rtemscoff*): New target, formal name for
3507 (m68*-*-rtemself*): New target.
3508 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
3509 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
3510 (sparc*-*-rtemself*): New target.
3511 (sparc*-*-rtems*): Now elf not a.out.
3512 * config/i386/rtems.h: Include config/rtems.h.
3513 * config/i386/rtemself.h: Include config/rtems.h.
3514 * config/i960/rtems.h: Include config/rtems.h.
3515 * config/m68k/rtems.h: Include config/rtems.h.
3516 * config/m68k/rtemself.h: Include config/rtems.h.
3517 * config/mips/rtems64.h: Include config/rtems.h.
3518 * config/pa/rtems.h: Include config/rtems.h.
3519 * config/rs6000/rtems.h: Include config/rtems.h.
3520 * config/sh/rtems.h: Include config/rtems.h.
3521 * config/sh/rtemself.h: Include config/rtems.h.
3522 * config/sparc/rtems.h: Include config/rtems.h.
3523 * config/sparc/rtemself.h: Include config/rtems.h
3525 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
3527 * final.c (shorten_branches): Correctly compute length of
3528 asms without operands.
3530 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
3532 * configure.in: Add pj target.
3533 * configure: Regenerate.
3534 * config/pj: New directory.
3535 * config/pj/lib1funcs.S: New file.
3536 * config/pj/linux.h: New file.
3537 * config/pj/pj.c: New file.
3538 * config/pj/pj.md: New file.
3539 * config/pj/pjl.h: New file.
3540 * config/pj/t-pj: New file.
3541 * config/pj/xm-pj.h: New file
3543 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
3545 * toplev.c (rest_of_compilation): Run shorten-branches before
3548 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3550 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
3551 macros so that they're consistent with their names.
3552 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3553 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3555 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3557 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
3558 modified inadvertently.
3560 2000-01-04 Joel Sherrill <joel@OARcorp.com>
3562 * configure.in (v850*-*-rtems*): New target.
3563 * configure: Regenerate.
3564 * config/v850/rtems.h: New file.
3566 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
3568 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
3569 (__gthread_key_create): Likewise.
3570 (__gthread_key_dtor): Likewise.
3571 (__gthread_once): Fix logic.
3572 (__gthread_key_delete): Cast away constness.
3574 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
3575 * invoke.texi: Document.
3576 * i386/mingw32.h (CPP_SPEC): Use.
3577 (LIBGCC_SPEC): Likewise.
3578 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
3580 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3582 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
3583 (HANDLE_PRAGMA_PACK): Undefine.
3584 (SLOW_UNALIGNED_ACCESS): Define.
3586 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3588 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3589 to default definition.
3590 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
3591 (store_fixed_bit_field): Call macro with word_mode and alignment.
3592 (extract_bit_field): Call macro with relevant mode and alignment.
3593 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3594 to default definition.
3595 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
3597 (move_by_pieces_ninsns): Likewise.
3598 (clear_by_pieces): Likewise.
3599 (emit_push_insn): Likewise.
3600 (store_field): Call macro with relevant mode and alignment.
3601 (expand_expr): Likewise.
3602 (expand_expr_unaligned): Likewise.
3604 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
3605 (SLOW_UNALIGNED_ACCESS): Define.
3606 (CASE_VECTOR_MODE): Always use 32-bit offsets.
3607 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
3608 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
3609 (toc_section): Likewise and .toc pseudo-op.
3610 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
3612 (TEXT_SECTION_ASM_OP): Likewise.
3613 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
3616 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
3617 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
3618 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
3619 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
3620 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
3622 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
3624 * regclass.c: Revert my Jan 4 change to loop cost computation.
3626 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3628 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
3631 2000-01-04 Stan Cox <scox@cygnus.com>
3633 * haifa-sched.c (build_control_flow): Change unreachable simple
3634 loop test to check if current block has only one predecessor.
3635 (find_rgns): Initialize degree. Use dest as degree index, not src.
3637 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3639 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
3641 * calls.c (expand_call): Likewise for
3642 `old_stack_arg_under_construction'.
3644 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
3646 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
3649 * gcc.c (execute): Likewise for `ut' and `st'.
3651 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
3653 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
3655 * jump.c (jump_optimize_1): Likewise for `temp2'.
3657 * local-alloc.c (block_alloc): Likewise for `r1'.
3659 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
3661 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
3662 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
3664 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
3667 * reload.c (find_reloads): Likewise for `goal_alternative_number'
3668 and `goal_earlyclobber'.
3670 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
3672 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
3674 * stupid.c (stupid_life_analysis): Likewise for `chain'.
3676 * unroll.c (copy_loop_body): Likewise for `copy'.
3678 * varasm.c (output_constructor): Likewise for `byte'.
3680 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3682 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
3683 all FP constants for constant->reg moves.
3684 (ix86_split_to_parts): Try to convert memory address into immediate
3685 when available in the constant pool.
3686 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
3688 (LEGITIMATE_CONSTANT_P): Return 1.
3689 * i386.md (pushsf): New splitter to convert constant pool memory
3690 reference to immediate.
3691 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
3694 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
3696 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
3697 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
3698 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
3699 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
3700 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
3702 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
3704 * ginclude/stdbool.h: Support compilation as C++.
3706 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3708 * fold-const.c (make_range): Don't try to reverse an unbounded range.
3710 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
3712 * regclass.c (regclass): Properly compute loop_cost. Adjust
3715 * regclass.c: Fix minor whitespace problems.
3717 2000-01-03 Anthony Green <green@cygnus.com>
3719 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
3720 Restore the pic register if required.
3722 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
3724 * c-common.c (format_char_info): Update comment.
3725 (check_format_info): Recognize 'z' modifier in the same way 'Z'
3726 was recognized. Emit warning for formats new in ISO C99 only
3727 if flag_isoc9x is not set.
3729 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
3731 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
3733 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3735 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
3736 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
3737 (make_compound_operation): Choose cheaper alternative between
3738 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
3740 * regclass.c (op_costs): Remove global variable.
3741 (record_reg_classes): New parameter "op_costs" and "reg_pref".
3742 (record_operand_costs): Break out from ...
3743 (scan_one_insn): ... here.
3744 (dump_regclass): Make dumps nicer.
3745 (regclass): Dump preferrences choosed and changes done during passes.
3747 2000-01-03 Jakub Jelinek <jakub@redhat.com>
3749 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
3751 2000-01-03 Jakub Jelinek <jakub@redhat.com>
3753 * config/sparc/sparc.c (gen_df_reg): New function.
3754 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
3755 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
3756 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
3757 movtf_cc_reg_sp64+1): Use it.
3759 2000-01-02 Mark Mitchell <mark@codesourcery.com>
3761 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
3764 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
3766 * config/i386/i386.c (ix86_expand_unary_operator): Function
3767 definition made void.
3768 (ix86_expand_binary_operator): Update outdated preceding comment.
3769 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
3772 * config/i386/i386.c (override_options): Fix option-name typo.
3774 2000-01-02 Mark Mitchell <mark@codesourcery.com>
3776 * system.h (CEIL): Define.
3777 * builtins.c (CEIL): Remove.
3778 * expmed.c (CEIL): Likewise.
3779 * expr.c (CEIL): Likewise.
3780 * stor-layout.c (CEIL): Likewise.
3782 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3784 * expr.c (store_constructor_field): Fix typo introduced with last
3787 2000-01-01 Mark Mitchell <mark@codesourcery.com>
3789 * tree.h (BINFO_N_BASETYPES): New macro.
3791 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
3793 * expmed.c (emit_store_flag): Prevent losing a pending stack
3794 adjust the same way we prevent losing queued increments.
3796 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3798 * function.c (update_temp_slot_address): Handle case where sum of
3799 temporary address plus offset in register is a valid address.
3801 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3803 * genrecog.c (change_state) Corrected typo.
3805 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3807 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
3808 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
3809 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
3811 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
3813 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
3814 case, expand GT comparisons correctly. Fix a comment before this
3817 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3819 * dwarfout.c: Include "frame.h"
3820 * dwarf2out.c: Likewise.
3821 * Makefile.in (dwarfout.o): Depend on frame.h
3822 (dwarf2out.o): Likewise.
3824 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
3826 Restore i386 binary compatibility in Dwarf EH info.
3827 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
3828 value of FIRST_PSEUDO_REGISTER.
3829 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
3830 (struct frame_state): Use DWARF_FRAME_REGISTERS.
3831 * dwarfout.c (output_reg_number): Ditto.
3832 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
3833 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
3835 1999-12-29 Bruce Korb <autogen@linuxbox.com>
3837 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
3838 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
3839 (<hack>_RE_CT): not needed
3840 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
3841 rewritten to scan the file text once only
3842 "template<..." test added
3843 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
3844 (is_cxx_header): declaration added
3845 * fixinc/fixtests.c(is_cxx_header): removed
3846 (apply_fix_p_t): removed
3847 (double_slash_test): is_cxx_header is only called once now
3848 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
3849 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
3850 within the templates.
3851 The borken spelling of "broken" was fixed.
3852 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
3853 The default level depends on FIXINC_DEBUG.
3855 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3857 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
3858 Otherwise provide a declaration for atexit.
3859 (init_dummy): Make sure dummy call to atexit is nevertheless
3860 called with correct number of args.
3862 * frame.c: Update comments referring to other files.
3864 * libgcc2.c: Likewise.
3866 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3868 * cse.c (free_element, get_element): Remove unused prototypes.
3870 * fold-const.c (extract_muldiv): Initialize variables `op0' and
3873 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
3876 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
3878 * configure.in,configure: case arm for mn10200-*-* now sets
3879 float_format=i32 so that float.h will correctly claim "double"
3880 to be 32 bits. Ran autoconf to generate configure from .in file.
3882 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
3884 * pa.md (conditional zero): If op1 is a register, force it into
3885 the same register as op0.
3887 1999-12-28 Mark Mitchell <mark@codesourcery.com>
3889 * tree.h (BINFO_BASETYPES): Improve documentation.
3891 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3893 * configure.in (--enable-checking): Use a more portable `for'
3896 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3898 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
3899 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
3901 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
3904 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
3905 Delete descriptions.
3907 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
3908 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
3909 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
3910 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
3911 xm-svr4.h: Remove all instances of sys_siglist handling.
3913 1999-12-27 Jakub Jelinek <jakub@redhat.com>
3915 * config/sparc/sparc.md (cmp_zero_qi,
3916 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
3917 cmp_zero_extendqidi2_andcc_set): New patterns.
3919 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
3921 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
3922 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
3923 (fpgnulib.c, xfgnulib.c): Add rules.
3924 * m68k/t-mot3300-gas: Likewise.
3926 1999-12-27 Ian Lance Taylor <ian@zembu.com>
3928 * configure.in: Avoid [[ by using test and changequote. Add
3929 changequote required by 1999-12-14 change.
3930 * configure: Rebuild.
3932 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
3934 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
3936 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
3938 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
3939 * flow.c (find_use_as_address): Likewise.
3940 * function.c (fixup_var_refs_1): Likewise.
3941 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
3942 * jump.c (invert_exp, redirect_exp): Likewise.
3943 * loop.c (replace_call_address): Likewise.
3944 (count_nonfixed_reads): Likewise.
3945 * rtlanal.c (modified_between_p): Likewise.
3946 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
3947 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
3948 * unroll.c (remap_split_bivs): Likewise.
3950 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3952 * diagnostic.c (v_message_with_decl): Use .* format specifier
3953 instead of building the format specifier width manually.
3955 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
3956 determining whether to provide a prototype. Remove the
3957 sys_siglist clause in the conditional.
3959 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3961 * fold-const.c (operand_equal_p): Use memcmp to compare string
3963 Suggested by D. J. Bernstein
3965 1999-12-17 Jakub Jelinek <jakub@redhat.com>
3967 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
3968 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
3970 * config/mips/mips.h (TARGET_64BIT): Likewise.
3971 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
3972 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
3973 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
3974 dsps. Give routines proper names if SI/DI modes are not used.
3975 * longlong.h: Use DWunion instead of DIunion.
3977 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
3979 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
3980 GC_CHECKING, GC_ALWAYS_COLLECT.
3981 * configure.in: Allow --enable-checking with an argument
3982 listing check modes to enable.
3983 * config.in, configure: Rebuilt.
3984 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
3985 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
3986 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
3987 ENABLE_GC_ALWAYS_COLLECT.
3988 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
3990 * tree.h, tree.c: Change ENABLE_CHECKING to
3991 ENABLE_TREE_CHECKING throughout.
3993 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3995 * fold-const.c (fold_truthop): Properly check for FP RHS.
3997 1999-12-24 Mark Mitchell <mark@codesourcery.com>
3999 * toplev.h (note_deferall_of_defined_inline_function): Declare.
4000 * toplev.c (note_deferral_of_defined_inline_function): New
4001 function, split out from ...
4002 (rest_of_compilation): ... here. Use it.
4004 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4006 * expr.c (store_constructor): Don't call clear_storage if size is
4009 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4011 * Makefile.in (toplev.o): Depend on loop.h.
4013 * dwarfout.c: Include tm_p.h.
4015 * emit-rtl.c (restore_emit_status): Mark parameter with
4018 * final.c (final_scan_insn): Likewise.
4020 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
4021 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
4022 flow_depth_first_order_compute, flow_loop_pre_header_find,
4023 flow_loop_tree_node_add, flow_loops_tree_build,
4024 flow_loop_level_compute, flow_loops_level_compute,
4025 flow_loop_outside_edge_p): Add prototypes.
4026 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
4028 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
4029 Mark with ATTRIBUTE_NORETURN.
4031 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
4033 * local-alloc.c (no_conflict_p): Likewise.
4035 * loop.c (insert_bct): Hide definitions of variables with hidden
4037 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
4039 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
4040 with ATTRIBUTE_UNUSED.
4041 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
4042 (reg_scan): Likewise.
4044 * reload.c (find_reloads): Remove unused variables `changed'.
4046 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
4048 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
4049 Remove unused variable `insn'.
4051 * toplev.c: Include loop.h.
4052 (report_file_and_line): Remove unnecessary prototype.
4054 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
4056 * unroll.c (biv_total_increment): Likewise.
4058 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4060 * reload1.c (emit_input_reload_insns): Restore old behaviour
4061 wrt. 'special' reloads.
4063 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
4065 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
4066 hash.h. (cse.c): Don't depend on hashtab.h.
4068 * cse.c: Don't include hashtab.h.
4069 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
4071 * ggc-simple.c: Don't include hash.h.
4073 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
4075 * dwarf2out.c (add_abstract_origin_attribute): Call
4076 gen_abstract_function on our function context.
4078 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
4080 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
4082 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4084 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
4087 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4089 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
4090 constraints to "a!r".
4092 1999-12-21 Mark Mitchell <mark@codesourcery.com>
4094 * Makefile.in (calls.o): Depend on function.h.
4095 (alias.o): Likewise.
4097 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
4099 * reload1.c (emit_reload_insns): Break out code and variables into...
4100 (input_reload_insns, other_input_address_reload_insns,
4101 other_input_reload_insns, input_address_reload_insns,
4102 inpaddr_address_reload_insns, output_reload_insns,
4103 output_address_reload_insns, outaddr_address_reload_insns,
4104 operand_reload_insns, other_operand_reload_insns,
4105 other_output_reload_insns): ... new static variables, and...
4106 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
4107 do_output_reload): ... new functions.
4109 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4111 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
4113 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4115 * md.texi: Add c4x constraints documentation.
4117 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4119 * config/i386/dgux.c (struct option): Rename to
4120 lang_independent_option.
4121 (struct m_options): Add description field.
4122 (output_options): Rename option type, add sep declaration, output
4123 ix86_cpu_string and ix86_arch_string only if set.
4124 (output_file_start): Rename option type.
4126 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
4128 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
4130 (libgcc2.a): Similarly.
4132 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
4134 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
4135 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
4136 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
4138 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
4140 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
4141 Remove redundant initialization of "frexpon" and "expon".
4143 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4145 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
4147 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
4148 (store_constructor_field, expand_expr): Pass new arg.
4150 1999-12-20 Mark Mitchell <mark@codesourcery.com>
4152 * Makefile.in (explow.o): Depend on function.h.
4154 * stor-layout.c (set_sizetype): Fix typo.
4156 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
4158 * function.c (cfun): Renamed from current_function. All users
4160 * function.h (cfun): Rename declaration as well.
4162 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
4163 to be of type regset_head, not regset. All users changed by adding
4165 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
4167 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4169 * config/c4x/rtems.h: New file.
4171 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
4173 * reload1.c (spill_failure): Take class of failed reload as argument
4174 and print it. Caller changed.
4176 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4178 * rs6000.h (SUBTARGET_DEFAULT): New macro.
4179 (TARGET_SWITCHES): Allow subtargets to default switches.
4180 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
4182 1999-12-18 Mark Mitchell <mark@codesourcery.com>
4184 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
4187 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
4189 * cccp.c (main): Define __STDC_VERSION__ as necessary.
4190 * cppinit.c (cpp_handle_option): Likewise.
4192 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
4193 determine when to define.
4195 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
4197 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
4198 cmove with mismatched test and data modes.
4200 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
4202 * c-typeck.c (c_expand_start_case): Don't warn for long switch
4205 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4207 * alias.c: Minor reformatting.
4210 * stor-layout.c: Likewise.
4211 * fold-const.c: Likewise.
4212 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
4213 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
4215 (size_int_wide): Cache nodes even if garbage collecting.
4216 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
4217 of SAVE_EXPR has no side effects.
4218 * cse.c: Move a comment.
4219 * tree.c: Minor reformatting.
4220 (int_size_in_bytes): Return -1 if constant overflows.
4222 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4224 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
4226 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
4228 * objc/objc-parse.c: Regenerate. This file must be rebuilt
4229 after any change to c-parse.in, even if objc-parse.y didn't
4232 1999-12-18 David S. Miller <davem@redhat.com>
4234 * toplev.c (rest_of_compilation): Restore BLOCK tree
4235 reconstruction and branch shortening changes lost in
4236 December 18th change.
4238 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
4240 * config/arm/linux-elf.h: Change all instances of
4241 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
4242 * config/arm/uclinux-elf.h: Likewise.
4244 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
4246 * toplev.c (notice, vmessage, v_message_with_file_and_line,
4247 v_message_with_decl, file_and_line_for_asm,
4248 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
4249 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
4250 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
4251 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
4252 pfatal_with_name, fatal_io_error, need_error_newline,
4253 last_error_function, last_error_tick, announce_function,
4254 default_print_error_function, print_error_function,
4255 report_error_function, fnotice, error_with_file_and_line,
4256 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
4257 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
4258 warning_with_decl, warning_for_asm, warning, pedwarn,
4259 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
4261 (compile_file): Use fnotice instead of notice. Adjust call.
4263 * diagnostic.c: New file.
4265 * Makefile.in (OBJS): Include diagnostic.o
4266 (diagnostic.o): Define dependence.
4268 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4270 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
4273 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4275 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
4277 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
4279 * fixtests.c (is_cxx_header): New fn, split out of
4281 (else_endif_label): Allow "#endif // comment" in C++ headers,
4282 as determined by is_cxx_header.
4283 * fixfixes.c (else_endif_label_fix): Update comment.
4284 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
4286 * genfixes: Correct double thinko in commandline parsing.
4287 * hackshell.tpl: Generate correct sh syntax for bypass
4290 * inclhack.def (all): Whenever an inserted preprocessor
4291 conditional is split over multiple lines, use double
4292 backslashes in this file so the fixed header will be readable.
4294 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
4295 and add bypass entry for correct version of this header.
4296 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
4297 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
4299 (hpux8_bogus_inlines): New fix, split from...
4300 (ultrix_atof_param) ... here.
4301 (math_expression): Add bypass entry keyed to glibc comment
4302 indicating the problem has been dealt with; disable
4303 unnecessary sed operations; update commentary.
4304 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
4305 add select and bypass entries, simplify shell operation.
4306 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
4308 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
4309 ultrix_atof_param): Add select entry.
4310 (stdio_va_list, sunos_mather_decl): Add bypass entry.
4311 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
4312 comments with the fixes they describe.
4314 * c-parse.in (string action): Do not warn about ANSI string
4315 concatenation in system headers. Affects C parser only.
4316 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
4318 1999-12-16 Jakub Jelinek <jakub@redhat.com>
4320 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
4321 compiling libgcc2 the macro depends always on arch cpp defines.
4323 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
4325 * loop.c (insert_loop_mem): Don't record MEMs from inside
4328 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
4330 * regclass.c (regclass): Do not use flowgraph when not optimizing.
4332 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
4333 notes too, create one when replacement failed, attempt to simplify
4335 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
4338 1999-12-16 Mark Mitchell <mark@codesourcery.com>
4340 * crtstuff.c (__dso_handle): Declare.
4341 (__cxa_finalize): Likewise.
4342 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
4345 * invoke.texi: Document -fuse-cxa-atexit.
4347 * tree.h (ptr_type_node): Document.
4348 (const_ptr_type_node): Likewise.
4350 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4352 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
4353 (optimize_reg_copy_2): Likewise.
4354 (optimize_reg_copy_3): Likewise.
4355 (fixup_match_2): Likewise.
4356 (regmove_optimize): Likewise.
4357 (fixup_match_1): Liekwise.
4359 * i386.md (HI to SImode promoting splitters): Rewrite.
4360 (pushsf mem peep2): New.
4361 (testhi to andhi peep2): Remove.
4362 * i386.h (x86_promote_QImode): New.
4363 (TARGET_PROMOTE_QImode): New.
4364 (PREDICATE_CODES): Add promotable_binary_operator.
4365 * i386.c (x86_promote_QImode0: New.
4366 (promotable_binary_operator): New.
4367 * i386-protos.h (promotable_binary_operator): New.
4369 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
4371 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
4373 1999-12-16 Mark Mitchell <mark@codesourcery.com>
4375 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
4376 * function.c (insert_block_after_note): Remove.
4377 (retrofit_block): Likewise.
4378 (identify_blocks): Fix indentation.
4379 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
4380 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
4381 * function.h (insert_block_after_note): Remove prototype.
4382 (retrofit_block): Likewise.
4383 * integrate.c (expand_inline_function): Don't call
4384 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
4385 just expand_start_bindings. Use the block_map to remap old
4386 NOTE_BLOCKs to new ones.
4387 (integrate_decl_tree): Keep track of remapped blocks.
4388 * integrate.h (struct inline_remap): Add block_map.
4389 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
4390 NOTE_BLOCK on the notes.
4391 (expand_start_bindings): Rename to ...
4392 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
4393 (expand_end_bindings): Set NOTE_BLOCK.
4394 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
4395 reconstruct the BLOCK tree.
4396 * tree.h (expand_start_bindings): Macroize. Call ...
4397 (expand_start_bindings_and_block): New function.
4399 1999-12-16 Jakub Jelinek <jakub@redhat.com>
4401 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
4402 to match the format.
4404 1999-12-16 David S. Miller <davem@redhat.com>
4406 * expr.c (emit_move_insn_1): Only emit clobbers if one of
4407 the outputs is a SUBREG.
4408 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
4411 * config/sparc/sparc.c (epilogue_renumber): Add default case
4414 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4416 * toplev.c (rest_of_compilation): Run branch shortening after
4419 * regclass.c (loop_depth): Remove
4420 (scan_one_insn): Do not handle LOOP_NOTE insns.
4421 (regclass): Go through basic blocks and set loop_cost
4423 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
4425 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
4427 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4429 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
4430 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
4431 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
4433 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
4435 * loop.c (insert_loop_mem): Ignore memory clobbers.
4437 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
4440 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
4442 * profile.c: Remove redundant #include "output.h".
4444 * h8300.md (HImode preinc peephole): Fix typo.
4446 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4448 * function.c (retrofit_block): Abort if we don't find a suitable insn.
4449 (insert_block_after_note): Abort if we don't have a previous block.
4450 Remove FN parameter.
4451 * function.h: Adjust.
4453 1999-12-15 Mark Mitchell <mark@codesourcery.com>
4455 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
4456 argument more than once.
4458 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4460 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
4462 1999-12-15 Jakub Jelinek <jakub@redhat.com>
4464 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
4466 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4468 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
4469 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
4470 update stack_alignment_needed.
4471 (prepare_function_start): Initialize stack_alignment_needed
4472 * function.h (struct function): Add field stack_alignment_needed.
4474 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4476 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
4477 Handle live_throughout / dead_or_set instead of live_before /
4479 (save_call_clobbered_regs): Get register livenessinformation from
4480 chain->live_throughout.
4481 (add_stored_regs): New function.
4482 (insert_restore, insert_save): Add restored / saved registers to
4484 * global.c (reg_dies): New parameter chain.
4485 (reg_becomes_live): Third parameter is regs_set now.
4486 Changed all callers.
4487 (reg_dies): New parameter chain. Changed all callers.
4488 (build_insn_chain): Set live_throughout instead of
4489 live_before / live_after.
4490 * reload.h (struct insn_chain): Replace members live_before /
4491 live_after with live_throughout / dead_or_set.
4492 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
4493 instead of live_before / live_after.
4494 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
4495 (order_regs_for_reload, find_reg, finish_spills): Likewise.
4496 (choose_reload_regs_init): Likewise.
4497 * stupid.c (current_chain, find_clobbered_regs): Delete.
4498 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
4499 instead of chain->live_before / chain->live_after.
4500 (mark_hard_ref): New function.
4501 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
4503 1999-12-15 David S. Miller <davem@redhat.com>
4505 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
4507 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4509 * flow.c (calculate_loop_depth): Make global, remove prototype,
4510 rewrite to use new loop infrastructure.
4511 (find_basic_block): Remove calculate_loop_depth call.
4512 * toplev.c (rest_of_compilation): Call find_basic_block.
4513 * output.h (calculate_loop_depth): Declare.
4515 * flow.c (dump_flow_info): Dump loop_depth.
4516 (flow_loops_nodes_find): Increase loop_depth for basic block in the
4518 (flow_loops_find): Initialize the loop_depth for each basic block.
4520 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4522 * tree.c (decl_function_context): Handle virtual functions.
4524 * tlink.c (scan_linker_output): Don't look in demangled name when
4525 looking for linker output keywords.
4527 * dwarfout.c (output_type): We can defer namespace-scope classes.
4529 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
4531 * regclass.c (record_reg_classes): Update comment for merging
4532 register class preferences in reg->reg copies. Tighten conditions
4533 for merging register class preferences in reg->reg copies.
4535 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
4537 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
4539 1999-12-14 Geoff Keating <geoffk@cygnus.com>
4541 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
4542 (INIT_SECTION_ASM_OP): Delete.
4543 (FINI_SECTION_ASM_OP): Delete.
4544 (STARTFILE_SPEC): Define to hold just crtbegin.o.
4546 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
4548 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
4549 the abstract origin wasn't emitted.
4551 * dwarf2out.c (class_scope_p): New fn.
4552 (gen_subprogram_die): Use it.
4553 (gen_variable_die): Use it. Tweak logic.
4554 (gen_struct_or_union_type_die): Check context_die to determine
4555 if we're function-local.
4556 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
4558 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4560 * loop.c (check_dbra_loop): Can't reverse a biv that has
4563 1999-12-14 Nick Clifton <nickc@cygnus.com>
4565 * config/arm/arm.c: Add support for -mcpu=arm720 command line
4568 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4570 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
4571 for givs made from biv increments.
4573 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
4575 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
4576 * alpha.c (override_options): Recognize -mcpu=ev67.
4577 * alpha.h (CPP_CPU_EV67_SPEC): New.
4578 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
4579 (EXTRA_SPECS): Update.
4581 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
4583 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
4584 appropriate for -lang-c89 and -std=*.
4585 * cppinit.c (cpp_handle_option): Likewise.
4586 (new_pending_define): New, split out from cpp_handle_option.
4587 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
4588 or enable trigraphs for -ansi/-std=*.
4590 * ginclude/stdarg.h (__va_copy): New.
4591 (va_copy): Don't define for C89.
4593 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
4595 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
4596 for long long multiply-accumulate.
4598 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4600 * regclass.c (scan_one_insn): Set loop_cost to 1 when
4601 optimizing for size.
4603 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4605 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
4606 if something changed. Back out that part of yesterday's changes.
4608 * loop.c (loop_max_reg): New static variable.
4609 (loop_optimize): Initialize it. Eliminate one unnecessary call to
4611 (scan_loop): Call reg_scan_update whenever we may have added new
4612 registers, and update loop_max_reg.
4614 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4616 * regclass.c (record_reg_classes): Do not do the copying preferrencing
4617 when source does not die.
4619 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
4621 1999-12-14 Jakub Jelinek <jakub@redhat.com>
4623 * config/sparc/linux64.h (TARGET_LIVE_G0,
4624 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
4626 * config/sparc/linux.h (TARGET_LIVE_G0,
4627 TARGET_BROKEN_SAVERESTORE): Likewise.
4628 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4629 TARGET_BROKEN_SAVERESTORE): Likewise.
4631 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
4632 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
4634 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
4635 as sparc64 block profiling register.
4636 * config/sparc/sparc.c (sparc_override_options): Allow block
4637 profiling with -m32.
4638 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
4640 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
4641 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
4642 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
4644 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
4646 * config/sparc/sparc.h: Likewise.
4647 * config/sparc/xm-sysv4-64.h: Likewise.
4648 * config/float-sparc.h: Likewise.
4649 * glimits.h: Likewise.
4650 * longlong.h: Likewise.
4652 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
4653 (ASM_IDENTIFY_GCC): Remove.
4655 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4657 * combine.c (combine_simplify_rtx): Don't make shared rtl.
4658 (simplify_logical): Likewise.
4660 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4662 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
4663 * cppfiles.c (INO_T_EQ): Likewise.
4665 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4667 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
4668 * i386/mingw32.h (LIB_SPEC): Likewise.
4669 (STARTFILE_SPEC): Likewise.
4670 * i386/uwin.h (LIB_SPEC): Likewise.
4671 (STARTFILE_SPEC): Likewise.
4673 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
4674 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
4676 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
4678 * combine.c (combine_simplify_rtx): Fix order of checks for
4679 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
4681 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
4683 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
4684 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
4686 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
4688 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
4690 * regclass.c (inv_reg_alloc_order): New array.
4691 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
4693 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
4694 counted_for_groups, counted_for_nongroups. Add fields rld and
4696 * reload.c (push_secondary_reload): Don't set nongroup field of
4698 (push_reload): Likewise.
4699 (find_reloads): Delete code to compute nongroup fields.
4700 * reload1.c (reload_insn_firstobj): New static variable.
4701 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
4703 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
4704 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
4705 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
4707 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
4709 (struct hard_reg_n_uses): Deleted.
4710 (potential_reload_regs): Deleted.
4711 (init_reload): Initialize spilled_pseudos and pseudos_counted.
4712 (reload): Don't try to allocate reload registers if we already know
4713 we have to make another pass. Call select_reload_regs. Free memory
4714 starting with reload_firstobj when starting another pass.
4715 Don't allocate spilled_pseudos.
4716 (calculate_needs_all_insns): Call copy_reloads for an insn that
4717 needs reloads; don't call calculate_needs.
4718 (spill_cost): New static array.
4719 (used_spill_regs_local): New static variable.
4720 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
4721 to compute potential_reload_regs.
4722 (find_reload_regs): Completely rewritten to use find_reg.
4723 (allocate_reload_reg): Don't test counted_for_groups or
4724 counted_for_nongroups. Lose NOERROR arg and code to give an error;
4726 (choose_reload_regs): Add fallback code that uses the existing
4727 register allocation from find_reload_regs.
4729 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
4731 * flow.c (create_edge_list): Cast xmalloc return value.
4733 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
4735 * doprnt.c: Remove incorrect comment closure.
4737 * cse.c: Fix a few minor whitespace goofs.
4739 1999-12-13 Don Bowman <don@pixstream.com>
4741 * mips/vxworks.h: Fix problem with comment termination.
4742 (EXTRA_SECTIONS): Add in_sbss.
4743 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
4745 1999-12-12 David S. Miller <davem@redhat.com>
4747 * cse.c (struct cse_reg_info): Add hash_next member,
4748 reorder rest of struct for better packing on 64-bit
4750 (cse_reg_info_tree): Kill.
4751 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
4752 REGHASH_FN): New custom pow2 hash mechanism.
4754 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
4755 use a pow2 hash table.
4756 (get_cse_reg_info): Rework to use new REGHASH.
4757 (new_basic_block): Likewise, use HASH_SIZE, and inline
4759 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
4760 and inline free_element call.
4761 (lookup_as_function, insert, flush_hash_table, invalidate,
4762 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
4763 invalidate_for_call, use_related_value, find_comparison_args,
4764 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
4765 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
4768 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
4770 * cse.c (cse_basic_block): Free qty_table consistently.
4772 1999-12-12 David S. Miller <davem@redhat.com>
4773 Jakub Jelinek <jakub@redhat.com>
4775 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
4776 SUBREGs by hand, gen the appropriate hard reg directly.
4777 (movtf reg/mem split): Likewise and alter_subreg on destination
4779 (movtf mem/reg split): Similarly.
4780 (movdf_cc_sp64): Rename from hidden pattern.
4781 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
4782 (movtf_cc_sp64, following split): New pattern and splitter.
4783 (movdf_cc_reg_sp64): Rename from hidden pattern.
4784 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
4786 (movtf_cc_reg_sp64, following split): New pattern and splitter.
4788 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
4790 * loop.c (load_mems): Don't hoist written floating point mem
4793 1999-12-12 Mark Mitchell <mark@codesourcery.com>
4795 * except.h (struct eh_queue): Add `next' pointer.
4796 (struct eh_status): Make x_ehqueue a pointer.
4797 (push_ehqueue): Declare.
4798 (pop_ehqueue): Likewise.
4799 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
4801 (expand_fixup_region_end): Likewise.
4802 (expand_leftover_cleanups): Likewise.
4803 (push_ehqueue): Define.
4804 (pop_ehqueue): Likewise.
4805 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
4806 than doing it inline.
4807 (expand_start_all_catch): Adjust now that ehqueue is a
4809 (mark_eh_queue): Mark all level of the queue.
4810 (mark_eh_status): Adjust now that ehqueue is a
4812 (init_eh_for_function): Allocate ehqueue.
4813 (free_eh_status): Free it.
4814 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
4815 expansion for a fixup.
4817 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4819 * gthr-single.h (__gthread_active_p): Add prototype arguments.
4821 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
4822 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
4823 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
4824 function_ptr, getpagesize, __enable_execute_stack,
4825 __enable_execute_stack, __clear_insn_cache,
4826 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
4827 _cleanup, _exit, __default_terminate, __terminate_func,
4828 __terminate, __empty, __throw, new_eh_context,
4829 eh_context_initialize, eh_context_static, eh_context_specific,
4830 get_eh_context, __get_eh_context, __get_eh_info,
4831 init_reg_size_table, eh_threads_initialize,
4832 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
4833 __unwinding_cleanup, throw_helper, __throw, __rethrow,
4834 __pure_virtual): Add prototype arguments.
4835 (__bb_exit_func): Cast a sizeof to long when comparing against one.
4836 Cast a signed value to unsigned long when comparing against one.
4837 (new_eh_context): Wrap in _GTHREADS macro.
4838 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
4840 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
4841 (throw_helper): Initialize variables `handler_p' and `pc_p'.
4843 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4845 * combine.c (record_promoted_value): Remove unused variable
4848 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
4850 * global.c (record_conflicts): Likewise for `j'.
4852 * genoutput.c (output_insn_data): Don't unnecessarily cast away
4855 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4857 * i386-protos.h (output_387_binary_op, output_fix_trunc,
4858 output_fp_compare): Constify a char*.
4860 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
4862 (override_options, ix86_comp_type_attributes, print_operand,
4863 output_387_binary_op, output_fix_trunc, output_fp_compare):
4865 (ix86_sched_reorder): Mark parameter `clock_var' with
4868 * i386.h (DEBUG_PRINT_REG): Constify a char*.
4870 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
4872 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
4873 operand, for use in the Java front-end.
4875 1999-12-10 Ben Collins <bcollins@debian.org>
4877 * configure.in: Fix typo for "-64" in 64bit as check.
4878 * configure: Rebuilt.
4880 1999-12-10 Jakub Jelinek <jakub@redhat.com>
4882 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
4885 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4887 * c-parse.in (string): With -Wtraditional, warn if ANSI string
4888 concatenation is utilized.
4890 * invoke.texi (-Wtraditional): Document it.
4892 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4894 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
4895 Cast a ptrdiff_t to long and pass it to printf with %ld.
4897 1999-12-10 Geoff Keating <geoffk@cygnus.com>
4899 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
4900 68881, we have no 68881 registers at all.
4901 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
4902 value in a 68881 register if it is available.
4904 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
4906 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
4907 for long long multiply-accumulate.
4909 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
4911 * loop.c (insert_loop_mem): Undo last change.
4913 1999-12-10 David S. Miller <davem@redhat.com>
4915 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
4917 * config/sparc/sparc-protos.h: Add them.
4918 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
4919 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
4920 constraints which use those helpers.
4921 (EXTRA_CONSTRAINT): Use this new macro.
4922 * md.texi: Update sparc target constraints documentation.
4923 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
4924 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
4925 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
4926 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
4927 (movsf high/lo_sum split): Rework for new patterns.
4928 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
4930 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
4932 * c-common.c (c_common_nodes_and_builtins):
4933 Create __builtin_ptrdiff_t and __builtin_size_t.
4935 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
4937 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
4939 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4941 * regclass.c (globalize_reg): Re-instate test that allows
4942 fixed registers to be declared as a variable even after functions
4945 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4947 * i386.md (cpu attribute): Add "athlon".
4948 (athlon_decode): New attribute.
4949 (Athlon scheduling units definitions): New.
4950 (fcmp and shld patterns): Set athlon_decode to "vector".
4951 * i386.c (athlon_cost): New.
4953 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
4954 x86_use_sahf): Set for Athlon.
4955 (x86_use_fiop): Unset for Athlon.
4956 (override_options): Define Athlon alignments and "athlon" name.
4957 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
4958 * i386.h (TARGET_ATHLON): New.
4959 (enum processor_type): Add PROCESSOR_ATHLON.
4960 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
4962 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
4964 1999-12-09 Andreas Jaeger <aj@suse.de>
4966 * loop.c (record_biv): Declare parameter as int.
4968 * config/i386/i386-protos.h: Declare long_memory_operand.
4970 1999-12-09 Mark Mitchell <mark@codesourcery.com>
4972 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
4973 EXPR_WITH_FILE_LOCATION.
4975 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4977 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
4980 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
4982 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
4985 1999-12-09 Jakub Jelinek <jakub@redhat.com>
4987 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
4988 default on linux64 again.
4989 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
4990 models for multilibing.
4991 * genmultilib: Accept | as alternative separator within a set in
4994 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
4996 * calls.c (precompute_arguments): Make sure initial_value contains
4997 value pseudo which CSE expects.
4998 * cse.c (struct set): New entry orig_src.
4999 (cse_insn): Set it early on entry, use it for libcall EQUIV note
5002 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
5004 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
5006 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5008 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
5010 1999-12-08 Jakub Jelinek <jakub@redhat.com>
5012 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
5013 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
5015 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
5018 * longlong.h: Merge in changes from glibc.
5019 Also don't clobber %g2 register in 32bit SPARC assembly, so that
5020 -mno-app-regs libgcc can be compiled.
5021 * libgcc2.c: Add defines so that the updated longlong.h
5022 can be used in libgcc2.a. Also, make sure on most architectures
5023 (at least on all which have optimized code in longlong.h defined
5024 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
5026 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5028 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
5029 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
5030 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
5032 * configure: Rebuilt.
5034 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
5036 * alpha.c (secondary_reload_class): For !BWX, sub-simode
5037 outputs require a register.
5039 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
5041 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
5042 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
5043 functions like dptoul will be resolved.
5044 (libgcc2.a): Make sure that the object files from DPBIT are named
5045 differently (prefix `_dp') from those that would be coming from
5048 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
5050 * configure.in: When target is sparc* and tm_file contains 64,
5051 test for 64bit support in assembler. If not supported, remove
5052 sparc/t-sol2-64 from target-dependent Makefile fragments.
5053 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
5054 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
5055 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
5056 * acconfig.h (AS_SPARC64_FLAG): Added.
5057 * configure, config.in: Rebuilt.
5058 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
5059 support. Use AS_SPARC64_FLAG.
5061 1999-12-07 Jakub Jelinek <jakub@redhat.com>
5063 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
5064 suitable for holding OFmode values so that gcc works with complex
5066 (hard_64bit_mode_classes): Likewise.
5068 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
5069 so that it is actually matched.
5070 (sethi_di_medlow): Likewise.
5072 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
5073 as legitimate constant if -mvis.
5074 * config/sparc/sparc.md (movtf): Likewise.
5075 (clear_sf): Use const_double_operand.
5076 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
5078 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
5079 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
5080 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
5081 routines, _Qp_* cannot be handled like that now.
5082 (INIT_TARGET_OPTABS): Likewise.
5083 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
5084 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
5085 sparc_emit_float_lib_cmp if ARCH64 and soft float.
5086 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
5087 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
5088 divtf3, sqrttf3): New expanders.
5089 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
5090 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
5091 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
5094 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
5095 * configure: Rebuilt.
5096 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
5097 -mcpu is given and we're doing 64bit compiles.
5099 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
5101 * loop.h (struct induction): Add multi_insn_incr.
5102 * loop.c (basic_induction_var): New multi_insn_incr argument.
5103 Set it if we search back through previous insns for the biv.
5104 (record_biv): New multi_insn_incr argument; fill in struct induction.
5105 (strength_reduce): Discard an iv with multiple bivs, any of
5106 which require multiple insns to increment.
5108 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5110 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
5113 1999-12-06 David S. Miller <davem@redhat.com>
5115 * combine.c (check_promoted_subreg): Do not conditionalize this upon
5116 PROMOTE_FUNCTION_RETURN.
5118 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
5120 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
5121 and handle REG_UNUSED note on insn.
5123 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
5124 inner_mask instead of mask.
5126 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
5128 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
5129 zero if there was an error.
5131 1999-12-06 Jakub Jelinek <jakub@redhat.com>
5133 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
5136 * longlong.h: Fix clobbers in SPARC asm statements.
5138 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
5139 valid sethi operations when TARGET_ARCH64.
5141 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
5142 always use move_by_pieces to avoid infinite recursion.
5143 (restore_fixed_argument_area): Likewise.
5145 * combine.c (check_promoted_subreg, record_promoted_value): New
5147 (combine_instructions): Use them to retain nonzero and sign bit
5148 information after SUBREGs are eliminated by optimizations in
5149 this pass if PROMOTE_FUNCTION_RETURN.
5151 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
5152 .register declaration. Don't use variables with __ prefixes.
5154 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5156 * fold-const.c (optimize_bit_field_compare): Only use one mode
5157 for both RHS and LHS in non-constant case.
5159 1999-12-06 Nathan Sidwell <nathan@acm.org>
5161 * frame.c (start_fde_sort): Only allocate erratic array, if
5162 linear one was allocated. Return allocated flag.
5163 (fde_insert): Only insert, if there's a valid array.
5164 (fde_end_sort): Split, sort and merge if linear and erratic
5165 arrays exist, else just sort linear one.
5166 (search_fdes): New function. Linear search through original fde
5168 (frame_init): Permit multiple initializations. Cope with
5170 (find_fde): Fallback on linear search, if failed to sort array.
5171 (__deregister_frame_info): Only free sorted array, if we
5174 1999-12-06 Jakub Jelinek <jakub@redhat.com>
5176 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
5178 1999-12-05 Jakub Jelinek <jakub@redhat.com>
5180 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
5182 1999-12-05 Mark Mitchell <mark@codesourcery.com>
5184 * tree.h (special_function_p): Declare.
5185 * calls.c (special_function_p): Make it global. Don't take `name'
5186 as a parameter. Fix typo in 1999-11-28 change.
5187 (expand_cal): Adjust.
5189 1999-12-04 Mark Mitchell <mark@codesourcery.com>
5191 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
5192 * tree.h (EXPR_WFL_FILENAME): Define in terms of
5193 EXPR_WFL_FILENAME_NODE.
5194 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
5196 * print-tree.c (print_note): Print TREE_PRIVATE and
5199 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
5200 the original die cannot be found.
5202 * varray.h (varray_head_tag): Add elements_used.
5203 (VARRAY_PUSH): New macro.
5204 (VARRAY_POP): Likewise.
5205 (VARRAY_TOP): Likewise.
5206 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
5208 * varray.c (varray_init): Initialize elements_used.
5209 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
5210 (INTEGRATE_H): New variable.
5211 (integrate.o): Depend on INTEGRATE_H.
5212 (unroll.o): Likewise.
5214 * function.h (insert_block_after_note): Declare.
5215 * function.c (insert_block_after_note): Split out from ...
5216 (retrofit_block): ... here.
5218 * stmt.c (expand_fixup): Fix typo in comment.
5220 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5222 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
5223 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
5224 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
5225 (regmove_optimize, fixup_match_1): Likewise.
5227 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5229 * flow.c (flow_loops_dump): Add missing argument when calling
5232 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
5233 Greg McGary <gkm@gnu.org>
5235 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
5236 (init_attributes): Add A_NO_LIMIT_STACK.
5237 (decl_attributes): Handle A_NO_LIMIT_STACK.
5238 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
5239 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
5240 Handle stack bounds checking.
5241 * flags.h (flag_stack_check): Use the word 'probe' rather than
5242 'check', because the flag doesn't actually cause any checking to
5244 * function.c (expand_function_start): Set
5245 current_function_limit_stack.
5246 * function.h (struct function): Add limit_stack.
5247 (current_function_limit_stack): Define.
5248 * invoke.texi (Code Gen Options): Document new options.
5249 * rtl.h: Declare stack_limit_rtx.
5250 * toplev.c (stack_limit_rtx): New variable.
5251 (decode_f_option): Handle new options -fstack-limit-register=REG,
5252 -fstack-limit-symbol=IDENT, -fno-stack-limit.
5253 (main): Add stack_limit_rtx as GC root.
5254 * tree.h (DECL_NO_LIMIT_STACK): New macro.
5255 (struct tree_decl): New member no_limit_stack.
5257 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
5259 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
5260 (conditional_trap+1): Get new mnemonic correct.
5261 (conditional_trap+2): New pattern for DImode traps.
5263 * config/m68k/m68k.c (output_function_prologue): Handle
5265 * config/m68k/m68k.md (trap): New insn.
5266 (conditional_trap): New insn.
5267 * md.texi (Standard Names): Document `trap' and
5269 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
5270 so a cc0 setter doesn't get emitted at some random place in the
5273 * config/i960/i960.md (trap): New insn.
5274 (conditional_trap): New expander.
5275 (conditional_trap+1, conditional_trap+2): New insns for signed
5277 * config/i960/i960.c (i960_function_prologue): Use
5278 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
5280 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
5281 Geoffrey Keating <geoffk@cygnus.com>
5283 * flags.h (warn_padded, warn_packed): Add global var decls.
5284 * toplev.c (warn_padded, warn_packed): Add global var defns.
5285 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
5286 * stor-layout.c (layout_record): Add local variable `type'
5287 to hold often-used TREE_TYPE (field). Add local variable
5288 `unpacked_align' to hold alignment that would be in force
5289 if no `packed' attribute were present. Warn if `packed' attribute
5290 is unnecessary, or even harmful. Warn when gcc inserts padding
5291 to satisfy alignment requirements of members. Use NULL_TREE
5292 when checking whether var_size is set.
5293 * invoke.texi: Document new flags.
5295 1999-12-03 Nathan Sidwell <nathan@acm.org>
5297 * frame.c (fde_split): Reimplement to avoid variable sized array.
5299 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5301 * combine.c (try_combine): Before fixing up LOG_LINKS for the
5302 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
5304 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
5306 * invoke.texi: Document the mips option -mno-crt0
5308 1999-12-02 Mike Karr <mkarr@mathworks.com>
5310 * cccp.c (argdata): Added free_ptr member.
5311 (macroexpand): Initialize free_ptr of each argument. When an
5312 argument's buffers are freed, if the argument's free_ptr corresponds
5313 to a buffer on the input stack, then return the free_ptr to that stack
5314 frame, otherwise, free it.
5315 (macarg): If an argument begins and ends on the same input stack level,
5316 then transfer the free_ptr of that buffer to the argument in case
5317 the stack is popped during the processing of a subsequent argument.
5319 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
5321 * loop.c (note_reg_stored): New function.
5322 (struct note_reg_stored_arg): New structure.
5323 (try_copy_prop): Change to be more conservative; only replace within
5324 one extended basic block and stop replacing if a store to the
5325 replacement reg is seen.
5327 1999-12-02 Nick Clifton <nickc@cygnus.com>
5329 * config/fp-bit.c: Initialise all fields of the NAN
5332 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
5335 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
5337 * i386.md (extend?f?f2): Force the input into a register, not
5340 1999-12-01 Jakub Jelinek <jakub@redhat.com>
5342 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
5344 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
5345 alternative because setting up 64bit constant is usually costly,
5346 especially when reload is in progress or completed.
5347 (movdf_const_intreg_sp64): Likewise.
5348 (movdf_const_intreg split): Fix building up constants when
5349 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
5351 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
5353 * combine.c (if_then_else_cond): Use const_true_rtx instead of
5354 const1_rtx for return values in EQ/NE comparison against (const_int 0)
5357 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
5358 (asm_file_start): Emit .am33 into assembly file when compiling for
5360 (print_operand_address): Handle POST_INC addresses.
5361 (can_use_return_insn, initial_offset): Check AM33 registers too.
5362 (expand_prologue): Check & save AM33 registers too.
5363 (expand_epilogue): Similarly.
5364 (secondary_reload_class): Handle AM33 specific secondary reloads.
5365 (output_tst): Emit efficient code for the AM33 too.
5366 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
5367 (TARGET_SWITCHES): Add -mam33 switch.
5368 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
5369 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
5370 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
5371 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
5372 (enum reg_class, REG_CLASS_NAMES): Likewise.
5373 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
5374 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
5375 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
5376 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
5377 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
5378 (HAVE_POST_INCREMENT): Define.
5379 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
5380 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
5381 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
5382 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
5383 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
5384 (zero_extend to SI from QI/HI): Likewise.
5385 (sign_extend to SI from QI/HI): Likewise.
5386 (mulsidi3, umulsidi3): New patterns for the AM33.
5387 (tstsi with zero extension from QI/HI): Add AM33 variants.
5388 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
5389 (return_internal_regs, store_movm): Handle new AM33 registers.
5390 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
5391 (LIBGCC, INSTALL_LIBGCC): Likewise.
5392 * invoke.texi: Document new flags.
5394 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5396 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
5397 (addsi3_carry): Likewise.
5398 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
5399 (sbbsi3_carry): Likewise.
5400 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
5402 (test?i_1): Ensure that only one operand is memory.
5403 (conditional move patterns): likewise.
5404 (shift and rotate patterns): Rewrite to expander, add
5405 "binary_operator_ok" to the condition.
5407 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
5408 * i386.h (procesor_costs): Add movzbl_load field.
5409 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
5410 non-Q registers, accept DImode registers anywhere.
5412 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
5413 * i386.c (*_cost): Set value for movxbl_load field.
5415 * (addsi): New add to lea splitter.
5417 (lea to add/shift peep2): New.
5419 1999-12-01 Mark Salter <msalter@cygnus.com>
5421 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
5422 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
5423 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
5425 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5427 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
5428 * i386.md (movsi_xor): New.
5430 (movsi_1, movhi_1, movqi_1): Remove.
5431 (movsi_2): Rename to movsi_1.
5432 (movhi_2): Rename to movhi_1.
5433 (movqi_2): Rename to movqi_1.
5434 (movdi_1): Remove; remove splitter.
5435 (movdi_2): Rename to movdi_1.
5436 (divmodsi4 splitter): Do not emit clobbers for move patterns.
5437 (long move peep2): Do not create QI or HI mode mov0s
5438 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
5440 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
5443 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
5444 (abs?f2_if): Likewise.
5446 1999-11-30 Alex Samuel <samuel@codesourcery.com>
5448 * ggc.h (ggc_test_and_set_mark): New macro.
5449 (ggc_mark_rtx): Use ggc_test_and_set_mark.
5450 (ggc_mark_tree): Likewise.
5451 (ggc_mark_rtvec): Likewise.
5452 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
5454 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
5456 * dwarf2out.c (scope_die_for): Only handle types. Only search for
5458 (decl_scope_table): Just an array of trees now.
5459 (push_decl_scope): Simplify.
5460 (dwarf2out_init): Adjust.
5461 (local_scope_p): New fn.
5462 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
5463 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
5464 (gen_typedef_die): Likewise.
5465 (gen_lexical_block_die): Don't call push/pop_decl_scope.
5466 (gen_inlined_subroutine_die): Likewise.
5467 (gen_abstract_function): Set current_function_decl temporarily.
5468 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
5469 Handle block extern declarations. Don't call push/pop_decl_scope.
5470 (gen_decl_die): Fix logic for block externs.
5472 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5474 * calls.c (special_function_p): Remove `realloc' and add `strdup'
5475 to the list of functions which have attribute malloc by default.
5477 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5479 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
5480 integer constant does not match the traditional type, limit the
5481 warnings to cases where the base of the type is ten.
5483 * invoke.texi (-Wtraditional): Document it.
5485 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5487 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
5488 * rs6000.md: Only access a CONST_INT with INTVAL
5490 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
5492 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
5493 (compute_nearerout): Likewise.
5494 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
5495 size_t to unsigned long for formatting.
5497 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5499 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
5500 Allow the user to override call-used/fixed state of %g2-5
5501 registers from the command line (with the exception of %g4 for
5503 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
5504 there is a higher chance of having a leaf function.
5505 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
5506 for ARCH64 which has %ccr register.
5507 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
5509 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
5510 insn accept into delay slot any insn which does not use %[ol]
5511 registers. Accept some LO_SUM and shift left by 1 for the normal
5513 (output_function_epilogue): Likewise.
5514 (epilogue_renumber): Added argument which inhibits any renumbering
5515 and just tests if the rtx does not use any %[ol] registers.
5516 (output_return): Reflect above change.
5518 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5520 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
5521 aggregate passing for sizes <= 16 bytes.
5523 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
5525 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
5526 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
5527 * reload.c (find_dummy_reload): Likewise.
5528 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
5529 * reload1.c (reload_as_needed): Likewise.
5530 * stupid.c (stupid_find_reg): Likewise.
5531 * tm.texi (Obsolete Register Macros): Delete section.
5532 * gmicro.h: Remove all traces of the two macros.
5537 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
5539 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
5540 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
5541 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
5542 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
5543 units for the sparclite86x chip.
5544 (flush): Revert October 14th change; add SImode specifically.
5545 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
5546 * invoke.texi: Document it.
5548 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
5550 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
5551 psimode_truncation_operand.
5553 * config/mn10200/mn10200.c (psimode_truncation_operand): New
5554 function. Return true if the operand is either a MEM valid
5555 for a PSImode address or not a MEM at all.
5557 * config/mn10200/mn10200.md (truncsipsi2): Use
5558 psimode_truncation_operand.
5560 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5562 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
5563 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
5564 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
5565 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
5566 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
5567 (flow_loop_level_compute, low_loops_level_compute): Likewise.
5568 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
5569 * basic-block.h: Protect from multiple inclusion.
5570 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
5571 (struct loops, struct loop): Define structures.
5572 * sbitmap.c (sbitmap_a_subset_b_p): New function.
5573 * sbitmap.h: Protect from multiple inclusion.
5574 (sbitmap_a_subset_b_p): Add prototype.
5575 * Makefile.in (LOOP_H): New macro.
5576 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
5578 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
5580 * cppinit.c (CAT): The argument list of this macro may not contain
5583 1999-11-29 David S. Miller <davem@redhat.com>
5585 Move quantity tables and register equivalence chains into
5586 per-qty and per-register structure arrays respectively.
5587 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
5588 qty_const_insn, qty_comparison_code, qty_comparison_const,
5589 qty_comparison_qty): Delete, replace with...
5590 (qty_table): this structure table.
5591 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
5592 (reg_eqv_table): this structure table.
5593 (make_new_qty): Add argument MODE. Caller updated.
5594 Update to use qty_table and reg_eqv_table.
5595 (make_regs_eqv, delete_reg_equiv, insert_regs,
5596 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
5597 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
5598 cse_process_notes, cse_main, cse_basic_block): Likewise.
5600 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5602 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
5603 operation if C is negative.
5604 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
5605 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
5606 law for some divisions if constant is negative and change other
5607 divisions to the opposite rounding.
5609 * expr.c (store_constructor_field): If bit position is not multiple
5610 of alignment of TARGET's mode, use BLKmode.
5612 * expr.c (expand_expr_unaligned): Add more code from full case
5613 that is needed when OP0 is in a register.
5615 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5617 * dwarfout.c (field_byte_offset): Size can be zero if there was
5620 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5622 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
5623 (associate_trees): Delete unused var TEM.
5624 (extract_muldiv): Delete unused var CANCEL_P.
5626 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
5627 (target_isinf, target_isnan, target_negative): Add return types to
5628 function definitions.
5630 1999-11-29 Bruce Korb <autogen@linuxbox.com>
5632 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
5633 * fixinc/hackshell.tpl: ditto
5634 * fixinc/fixtests.c(double_slash_test): more C++ header testing
5635 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
5637 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5639 * reload.c (push_reload): When looking for a register to put into
5640 reg_rtx, make sure all hard regs in a multi-reg register are in the
5641 right class and nonfixed.
5643 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
5644 pending_read_insns, pending_write_insns, pending_read_mems,
5645 pending_write_mems, pending_list_length, last_pending_memory_flush,
5646 last_function_call, sched_before_next_call): Move static variables
5648 (bb_ prefixed versions): Replace with single array bb_deps.
5649 (struct deps): New structure.
5650 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
5651 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
5652 argument of type "struct deps *"; use that instead of global
5653 variables. All callers changed.
5654 (init_rgn_data_dependencies): Delete function.
5655 (init_rtx_vector): Delete function.
5656 (init_deps): New function.
5658 (free_pending_lists): Simplify, we always use the bb_deps array even
5659 if only one basic block.
5660 (compute_block_backward_dependences): Likewise.
5661 (schedule_region): Likewise.
5663 (propagate_deps): New function, broken out of
5664 compute_block_backward_dependences.
5665 (compute_block_backward_dependences): Use it.
5667 * alpha.md: Delete useless patterns that tried to work around
5668 register elimination problems.
5670 * unroll.c (loop_iterations): Don't abort if iteration variable
5673 From Joern Rennecke:
5674 * reload1.c (reloads_conflict): Reverse test comparing operand
5675 numbers when testing for conflict between output/outaddr reloads.
5677 1999-11-29 David S. Miller <davem@redhat.com>
5679 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
5681 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
5683 1999-11-28 Robert Lipe <robertl@cygnus.com>
5685 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
5686 table from .fini into .dtor.
5688 1999-11-28 Anthony Green <green@cygnus.com>
5690 * tree.h (struct tree_decl): Add malloc_flag.
5691 (DECL_IS_MALLOC): Define.
5692 * c-common.c (attrs): Add A_MALLOC attribute.
5693 (init_attributes): Add this attribute to the table.
5694 (decl_attributes): Handle malloc attribute.
5695 * calls.c (special_function_p): Check for the malloc attribute.
5696 * extend.texi (Function Attributes): Document malloc attribute.
5698 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
5700 * pa.md (reload shift-add patterns): Remove.
5702 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5704 * reorg.c (dbr_schedule) Print more statistics. Corrected
5705 problem when printing info when 3 delay slots are filled.
5707 1999-11-28 Jakub Jelinek <jakub@redhat.com>
5709 * combine.c (setup_incoming_promotions): Pass an outgoing
5710 regno to FUNCTION_ARG_REGNO_P which it expects.
5712 1999-11-28 Andreas Jaeger <aj@suse.de>
5714 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
5716 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
5718 * cccp.c (do_include): Avoid initialization of automatic variable.
5720 * integrate.c (mark_stores): Function definition made void, to match
5721 previous declaration.
5722 * regclass.c (dump_regclass): Ditto.
5723 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
5725 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5727 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
5728 known to be multiple of divisor.
5730 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
5732 * combine.c (try_combine): Add code to try to merge a set of a
5733 two-word pseudo to a constant with a setting of one of those words
5736 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
5737 (split_tree): Completely rework to make more general.
5738 (make_range, fold): Call negate_expr.
5739 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
5740 (fold, associate): Call new split_tree and associate_trees.
5741 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
5743 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
5745 * loop.c (try_copy_prop): Avoid GNU C extension.
5747 1999-11-25 Mark Mitchell <mark@codesourcery.com>
5749 * except.c (init_eh_for_function): Still zero eh_return_context,
5750 eh_return_stack_adjust, and eh_return_handler.
5752 * except.h (eh_status): Adjust documentation for x_protect_list.
5753 (begin_protect_partials): New function.
5754 * except.c (enqueue_eh_entry): Fix formatting.
5755 (get_first_handler): Add consistency check.
5756 (add_partial_entry): Adjust usage of protect_list.
5757 (emit_cleanup_handler): Save and restore ehqueue.
5758 (expand_start_all_catch): Add comment.
5759 (begin_protect_partials): New function.
5760 (end_protect_partials): Adjust usage of protect_list.
5761 (init_eh_for_function): Use xcalloc.
5763 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5765 * c-common.c (check_format_info): Don't call a variadic function
5766 with a non-literal format string.
5768 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
5770 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
5771 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
5774 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
5777 * collect2.c (collect_wait): Likewise.
5779 * dbxout.c (dbxout_type): Likewise.
5781 * gcc.c (do_spec_1): Likewise.
5783 * genemit.c (gen_insn, gen_expand): Likewise.
5785 * genrecog.c (write_switch, write_subroutine): Likewise.
5787 * mips-tfile.c (catch_signal, botch): Likewise.
5789 * print-rtl.c (print_rtx): Likewise.
5791 * toplev.c (default_print_error_function, report_error_function,
5792 _fatal_insn): Likewise.
5794 1999-11-25 Mark Mitchell <mark@codesourcery.com>
5796 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
5798 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5800 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
5801 operations when needed.
5802 * i386.md (fop_?f_comm): New.
5803 (fop_?f_1): Do not accept commutative operands.
5805 1999-11-25 Andreas Jaeger <aj@suse.de>
5807 * config/mips/mips.md (casesi_internal): Add missing brace.
5809 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
5811 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
5812 (splice_child_die): Handle moving a child DIE from the declaration
5813 DIE of a class to its specification.
5814 (gen_struct_or_union_type_die): Use 'complete' consistently.
5815 (gen_decl_die): Generate the virtual context DIE first.
5816 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
5818 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
5820 * config/mips/mips.md (call_value_multiple_interanal1): New.
5822 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
5824 * dwarf2out.c (free_AT, free_die): New fns.
5825 (remove_children): Call them.
5826 (output_line_info): Disable removal of duplicate notes.
5828 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
5829 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
5830 means pretend the type isn't defined.
5831 Don't defer emitting types.
5832 (gen_type_die_for_member): New fn.
5833 (gen_decl_die): Call it.
5834 (splice_child_die): New fn.
5835 (gen_member_die): Call it rather than generate duplicate dies.
5837 Defer emitting information for the abstract instance of an inline
5838 until we either inline it or emit an out-of-line copy.
5839 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
5840 from output_inline_function if DECL_ABSTRACT is also set.
5841 (block_ultimate_origin): Likewise.
5842 (gen_abstract_function): New fn.
5843 (gen_decl_die, gen_inlined_subroutine_die): Call it.
5844 (gen_subprogram_die): An abstract instance is not a declaration
5845 just because it doesn't match current_function_decl. Don't abort
5846 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
5847 has an abstract origin.
5848 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
5849 abstract instance here.
5851 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
5853 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
5854 where we need to reload fpul from a system register.
5856 1999-11-24 Andreas Jaeger <aj@suse.de>
5858 * config/mips/linux.h (CPP_PREDEFINES): Added.
5859 (LINK_SPEC): Remove -Y since this is only needed on sparc.
5861 1999-11-24 Andreas Jaeger <aj@suse.de>
5863 * config/mips/linux.h (TARGET_VERSION): Added.
5864 (HANDLE_SYSV_PRAGMA): Added.
5865 (DEFAULT_VTABLE_THUNKS): Added.
5867 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5869 * local-alloc.c (qty): New structure and static variable.
5870 (qty_phys_reg): Remove, all references changed to qty.
5871 (qty_n_refs): Likewise.
5872 (qty_min_class): Likewise.
5873 (qty_birth): Likewise.
5874 (qty_death): Likewise.
5875 (qty_size): Likewise.
5876 (qty_mode): Likewise.
5877 (qty_n_calls_crossed): Likewise.
5878 (qty_alternate_class): Likewise.
5879 (qty_changes_size): Likewise.
5880 (qty_first_reg): Likewise.
5881 (alloc_qty): Rename variable QTY to QTYNO.
5882 (finf_free_reg): Likewise.
5883 (local_alloc): Allocate qty, do not allocate the removed variables.
5885 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
5887 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
5888 when -membedded-pic is passed.
5890 * config/mips/mips.md (casesi): Handle 64-bit case too.
5891 (casesi_internal_di): New insn.
5893 * config/mips/mips.c (embedded_pic_offset): Always make the
5894 embedded-pic subtractions relative to the name of the current
5895 function by use of the magic string "..CURRENT_FUNCTION".
5896 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
5898 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
5900 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
5901 of (const_int 0), when what we really care about is
5902 whether it's a zero constant anyway.
5903 (div_trap_mips16): Likewise.
5905 1999-11-23 Mark Mitchell <mark@codesourcery.com>
5907 * loop.c (loop_optimize): Always find_loop_tree_blocks and
5908 unroll_block_trees when generating debuggable code.
5910 * tree.h (unsave_expr_1): New function.
5911 (lang_unsave): New variable.
5912 (get_callee_fndecl): New function.
5913 * tree.c (unsave_expr_now_r): New function.
5914 (lang_unsave): Define.
5915 (unsave_expr_1): Likewise.
5916 (unsave_expr_now_r): Split out from unsave_expr_now.
5917 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
5918 call unsave_expr_now_r.
5919 (get_callee_fndecl): Define.
5921 * Makefile.in (gencheck): Don't depend on lang_tree_files.
5922 (gencheck.o): Do depend on lang_tree_files.
5924 * integrate.h (copy_decl_for_inlining): New declaration.
5925 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
5926 (copy_decl_for_inlining): New function.
5927 (integrate_parm_decls): Use it.
5928 (integrate_decl_tree): Likewise.
5930 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
5932 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
5933 the second two from the first.
5934 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
5935 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
5936 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
5938 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
5939 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
5942 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
5944 * pa.md (call_internal_symref, call_value_internal_symref): No mode
5945 needed on the address operand.
5946 * pa.c (call_operand_address): Check for the correct mode.
5948 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
5950 * loop.c: Include "basic-block.h".
5951 (try_copy_prop, replace_loop_reg): New functions.
5952 (load_mems): Detect registers that just hold copies of the hoisted
5953 mem, and call try_copy_prop to eliminate them.
5954 * Makefile.in (loop.o): Update dependencies.
5956 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
5958 * Makefile.in (gencheck.o): Depend on gencheck.h.
5959 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
5960 (insn-peep.o): Depend on except.h and function.h.
5961 (insn-attrtab.o): Depend on RECOG_H.
5962 (insn-output.o): Depend on toplev.h and flags.h.
5963 (gengenrtl.o): Depend on real.h.
5964 (gen-protos.o): Depend on cpplib.h and cpphash.h.
5965 Unify all dependencies to be on RECOG_H rather than recog.h.
5967 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5969 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
5970 * configure.in: Try building a bi-arch 32/64-bit compiler on
5971 sparc-*-solaris2.7 and higher.
5972 * configure: Rebuild.
5974 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
5976 * config/freebsd.h: New, FreeBSD architecture independent file.
5977 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
5979 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
5980 directly by i386/freebsd.h.
5981 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
5982 independent configuration file.
5983 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
5984 directly by i386/freebsd.h.
5985 * configure: Rebuilt.
5987 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
5988 which is in the user's namespace.
5989 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
5990 `i386' which is not in our namespace.
5992 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
5994 * invoke.texi (ARM Options): Add in -mno-alignment-traps
5996 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
5998 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
5999 (add_dwarf_attr, add_child_die): Just push onto the front.
6000 (reverse_die_lists): New fn.
6001 (add_sibling_attributes): Use it.
6002 (push_decl_scope): Reorganize.
6003 (add_name_and_src_coords_attributes): Don't set file and line for
6005 (gen_subprogram_die): An artificial function doesn't need to match
6007 (gen_compile_unit_die): Return the generated die. Only add
6008 AT_comp_dir if the filename is relative.
6009 (remove_AT): Simplify loop. Also free string values.
6010 (output_die): A DIE ref can't be null.
6011 (output_value_format, value_format): Take a dw_attr_ref.
6012 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
6013 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
6014 AT_addr, AT_lbl): New fns.
6015 (various): Use them.
6016 (various): Constify.
6018 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6020 * combine.c (combine_simplify_rtx): When handling a SUBREG,
6021 take SUBREG_WORD into account.
6022 (if_then_else_cond): Likewise.
6024 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
6026 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
6027 clause from BSD license, pursuant with
6029 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
6031 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
6033 * loop.c (load_mems): Reformat slightly.
6034 * basic-block.h (regset_head): New typedef.
6035 (INIT_REG_SET): New macro.
6037 1999-11-22 Bruce Korb <autogen@linuxbox.com
6039 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
6040 (mips-dec-bsd*): non-functional code
6041 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
6043 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
6044 added three replacement fixes
6045 (no_double_slash): removed comments that are not (any longer) pertinent
6046 (bad_lval): this fix currently runs against many files.
6047 The comment seems to indicate that we should select for files
6048 containing 'pragma extern_prefix'.
6050 * fixinc/fixinc.x86-linux-gnu: deleted
6051 * fixinc/inclhack.sh: regen
6052 * fixinc/fixincl.x: regen
6053 * fixinc/fixincl.sh: regen
6055 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
6057 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
6058 its code is INSN and it has no notes.
6060 1999-11-22 Andrew Haley <aph@cygnus.com>
6062 * varasm.c (function_defined): Remove.
6063 (make_function_rtl): Don't set function_defined.
6064 (make_decl_rtl): Remove global register warning.
6065 * regclass.c (no_global_reg_vars): New variable.
6066 (globalize_reg): Warn if function has already been defined.
6067 (regclass_init): Set no_global_reg_vars.
6069 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6071 * regclass.c (reg_pref): New structure and static variable
6072 (prefclass): Delete.
6074 (all uses of prefclass and altclass): Use reg_pref instead.
6076 1999-11-21 Nick Clifton <nickc@cygnus.com>
6078 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
6080 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
6081 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
6082 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
6084 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
6086 * varasm.c (output_constructor): Solve problem with long long
6087 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
6089 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6091 * global.c (allocno): New structure and static variable.
6092 (allocno_reg): Remove, all references replaced by allocno.
6093 (allocno_size): Likewise.
6094 (hard_reg_conflicts): Likewise.
6095 (hard_reg_preferences): Likewise.
6096 (hard_reg_copy_preferences): Likewise.
6097 (hard_reg_full_preferences): Likewise.
6098 (regs_someone_prefers): Likewise.
6099 (allocno_calls_crossed): Likewise.
6100 (allocno_n_refs): Likewise.
6101 (allocno_live_length): Likewise.
6102 (find_reg): Rename ALLOCNO to NUM.
6104 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
6106 (may_move_out_cost): New variable.
6107 (init_reg_sets_1): Initialize may_move_out_cost.
6108 (record_reg_classes): Use may_move_out_cost.
6110 * regclass.c (dump_regclass): New function.
6111 (regclass): New parameter DUMP, call DUMP_REGCLASS.
6112 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
6113 pass rtl_dump_file to regclass.
6114 * rtl.h (regclass): Update prototype.
6116 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6118 * i386.md (neg, not and abs patterns): Revmap to use
6119 ix86_expand_unary_operator and ix86_unary_operator_ok.
6120 (add?f and sub?f expanders): Force operand 1 to register.
6121 * i386.c (ix86_expand_unary_operator): Rewrite.
6122 (ix86_unary_operator_ok): Ensure that memory operands
6124 (ix86_binary_operator_ok): Do not allow operand 1 to
6125 come into memory and operand 0 not.
6126 (ix86_expand_binary_operator): Ensure that
6127 src1 is not non-matching memory.
6129 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
6130 to support integer registers and memory.
6131 (abss?2_integer): Likewise.
6133 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
6134 (REG_CLASS_NAMES): Likewise.
6135 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
6137 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
6138 (movsf): Likewise; unify 4th and 5th alternative.
6140 (movdf_1): Likewise; rename to movdf_integer.
6141 (pushxf): Likewise; rename to pushxf_integer; fix output template;
6142 remove redundant splitter.
6143 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
6144 (movdf_nointeger): New.
6145 (movxf_nointeger): New.
6146 (pushxf_nointeger): New.
6148 * i386.md (extend?f?f): Split to expander and pattern, refuse two
6149 memory operands in patterns.
6150 (fop*): Refuse two memory operands.
6152 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
6153 on !TARGET_USE_CLTD CPUs.
6155 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
6157 * extend.texi: Document C++ restricted pointers and references.
6159 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
6161 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
6162 (invalidate_skipped_set): Call it unconditionally.
6163 (cse_set_around_loop): Likewise.
6165 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6167 * rtl.texi (mem): Add documentation for alias-set argument
6170 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6172 * i386.h (struct_processor_costs): New fields int_load, int_store,
6173 fp_move, fp_load and fp_store
6174 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
6176 (MEMORY_MOVE_COST): New macro.
6177 * i386.c (386_cost): Define new fields.
6178 (i486_cost): Likewise.
6179 (pentium_cost): Likewise.
6180 (pentiumpro_cost): Likewise.
6181 (k6_cost): Likewise.
6183 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
6184 Geoffrey Keating <geoffk@cygnus.com>
6186 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
6188 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
6191 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
6192 (TARGET_STRICT_ALIGNMENT): New macro.
6193 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
6194 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
6195 * invoke.texi (M680x0 Options): Document -mstrict-align.
6197 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
6198 Richard Henderson <rth@cygnus.com>
6200 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
6201 (ix86_split_long_move): Declare.
6202 * i386.c (split_xf, ix86_split_movdi): Remove.
6203 (ix86_split_to_parts, ix86_split_long_move): New.
6204 * i386.md (dimode move splitters): Use ix86_split_long_move.
6205 (dfmode move splitters): Likewise.
6206 (xfmode move splitters): Likewise.
6207 (movsf_1): Allow F->r.
6208 (movdf_1, movxf_1): Allow F->ro.
6210 1999-11-17 Mark Mitchell <mark@codesourcery.com>
6212 * except.h (struct eh_entry): Add goto_entry_p.
6213 (eh_region_from_symbol): Remove prototype.
6214 * except.c (find_func_region_from_symbol): New function.
6215 (emit_cleanup_handler): Likewise.
6216 (eh_region_from_symbol): Make it static.
6217 (add_new_handler): Verify the argument.
6218 (find_func_region): Update comment.
6219 (expand_eh_region_end): Expand handlers here, rater than waiting
6220 until expand_leftover_cleanups or start_all_catch.
6221 (expand_leftover_cleanups): Don't expand here.
6222 (expand_start_all_catch): Or here.
6223 (expand_rethrow): Check the return value from find_func_region.
6224 * function.c (expand_function_end): Emit the catch_clauses.
6226 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
6228 * integrate.c (expand_inline_function): Add necessary check for NULL.
6230 1999-11-18 Nick Clifton <nickc@cygnus.com>
6232 * toplev.c (main): Correctly detect an unrecognised option.
6234 * cppinit.c (cpp_handle_option): Do not claim to have consumed
6235 a -f option if it has not been recognised.
6237 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
6239 * basic-block.h (update_life_extent): Remove trailing comma on
6240 enumeration type list.
6242 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6244 * varasm.c (output_constructor) Solved problem with long long
6245 bitfields. Corrected calculating this_time and shift. Also
6246 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
6248 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
6250 * flow.c (split_edge): Take looping structure into account when
6251 determining where to put the new block note.
6253 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
6255 * Makefile.in (ggc-none.o): Provide host specific version if
6258 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
6260 * cse.c (delete_trivially_dead_insns): Identify no-op insns
6261 containing subregs too.
6263 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6265 * invoke.texi: Add documentation for -muninit-const-in-rodata.
6266 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
6267 (TARGET_UNINIT_CONST_IN_RODATA): Define.
6268 (text_section): Add switches -munint-const-in-rodata and
6269 -mno-uninit-const-in-rodata.
6270 (ASM_OUTPUT_COMMON): Remove.
6271 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
6272 const objects should be placed in read-only data. Otherwise declare
6275 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
6277 * jump.c (jump_optimize_1): Revert last change.
6279 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
6281 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
6282 test if optimizing for size.
6284 1999-11-17 Mark Mitchell <mark@codesourcery.com>
6286 * Makefile.in (toplev.o): Depend on except.h.
6287 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
6289 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6291 * i386.md (divmodsi4): Rewrite to expander.
6292 (*divmodsi4_nocltd): New.
6293 (*divmodsi4_cltd): New.
6294 (divmodsi4 splitter): Handle the case when input comes in edx.
6295 (udivmodhi4): Do not use constraints in exander.
6296 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
6298 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
6300 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
6301 for the common case.
6303 1999-11-16 Jakub Jelinek <jakub@redhat.com>
6305 * explow.c (hard_function_value): Add outgoing argument.
6306 * expr.h (hard_function_value): Declare it.
6307 * calls.c (expand_call, emit_library_call_value): Update callers.
6308 * function.c (aggregate_value_p): Ditto.
6309 (diddle_return_value): Must look at the outgoing registers
6310 on archs with register windows.
6312 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
6314 * alpha.c (alpha_build_va_list): Use make_lang_type and
6315 initialize TYPE_NAME for the va_list record.
6317 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
6319 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
6321 * ggc.h (struct ggc_statistics): Rearrange elements for better
6322 packing on 64-bit hosts.
6323 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
6324 (compute_nearerout): Likewise.
6326 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
6328 * config/rs6000/rs6000.c (first_reg_to_save): Save
6329 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
6331 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
6333 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
6334 notion of nesting to find the DIE for a type or function.
6335 DIEs can go in limbo even if we got a context_die.
6336 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
6337 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
6339 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
6340 (gen_type_die): Writing out the context doesn't cause member class
6341 template instantiations to be written out as well.
6343 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
6345 * rs6000.h (ASM_OUTPUT_DEF): New.
6346 Based on proposed addition from David Edelsohn.
6348 1999-11-15 Robert Lipe <RobertLipe@usa.net>
6349 Bruce Korb <autogen@linuxbox.com>
6351 * fixinc/inclhack.def
6352 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
6353 (unixware7_byteorder_fix): added. Removes conflicts for new defs
6355 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
6356 (svr4_endian): enabled with SVR5
6357 (svr4_mkdev): simplified syntax and enabled with SVR5
6359 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
6361 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
6362 * configure: Rebuilt.
6363 * config/t-freebsd-thread: New file.
6365 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
6367 * i386.c (ix86_decompose_address): Verify the base is a REG
6368 before trying to examine its register number.
6370 * basic-block.h: Remove all #defines and prototypes related to
6372 (free_bb_mem, compute_preds_succs): Remove prototype.
6373 * rtl.h (free_bb_mem): Remove prototype.
6374 * flow.c (alloc_int_list_node); Remove function.
6375 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
6376 (compute_preds_succs, free_bb_mem): Likewise.
6377 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
6378 * toplev.c (rest_of_compilation): Likewise.
6379 * haifa-sched.c (build_control_flow): Use flow generated edge
6380 list to build the haifa specific edge list.
6381 (find_rgns): Use new CFG data structures instead of pred/succ lists.
6382 (schedule_insns): Do not build pred/succ lists anymore. Instead
6383 build the edge table.
6385 * basic-block.h (dump_bb_data): Remove declaration.
6386 * flow.c (dump_bb_data): Remove function.
6387 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
6388 (sbitmap_union_of_predsucc): Likewise.
6390 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
6391 argument. All callers changed.
6392 (delete_null_pointer_checks_1): No longer need to compute the
6395 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
6396 All callers changed.
6397 (pre_expr_reaches_here_p_work): Likewise.
6398 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
6399 * lcm.c (compute_laterin): Fix initialization of LATER.
6400 (compute_nearerout): Similarly for NEARER.
6402 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6404 * cse.c (set_nonvarying_address_components): Delete unused function.
6405 (refers_to_p): Likewise.
6407 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
6409 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
6412 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6414 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
6415 definition in do while (0).
6417 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
6419 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
6421 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
6423 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
6425 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
6427 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
6428 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
6429 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
6430 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
6432 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
6433 saved on the stack. Output more accurate stack frame statistics
6434 into assembler file.
6436 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
6438 * genextract.c (record_insn_name): New function.
6439 (get_insn_name): No longer a stub.
6440 (main): Call record_insn_name for each insn. After each label
6441 written, print the insn name in a comment.
6443 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6445 * output.h (const_section, init_section, fini_section): Add
6448 * alpha/elf.h (const_section): Delete declaration.
6450 * svr4.h (const_section): Likewise.
6452 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
6454 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
6455 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
6456 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
6458 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
6459 variable-sized array bounds.
6461 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
6463 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
6466 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6468 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
6469 addresses the same way GO_IF_LEGITIMATE_INDEX does.
6471 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6473 * cse.c (hash_arg_in_struct): Delete.
6474 (struct table_elt): Delete elt in_struct.
6475 (struct set): Delete elt src_in_struct.
6476 (merge_equiv_classes): Don't set either hash_arg_in_struct or
6477 the corresponding in_struct elts.
6478 (canon_hash): Likewise.
6479 (safe_hash): Likewise.
6480 (find_best_addr): Likewise.
6481 (record_jump_cond): Likewise.
6482 (cse_insn): Likewise.
6484 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
6486 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
6488 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
6491 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
6493 * function.c (diddle_return_value): Put back check that the DECL_RTL
6494 for the function is a register.
6496 * function.c (diddle_return_value): Use hard_function_value to
6497 get an rtx suitable for use in the USE/CLOBBER insn.
6499 * global.c (global_conflicts): Update comments.
6500 (record_conflicts): No need to record conflicts between pseudos here.
6502 1999-11-11 Bruce Korb <autogen@linuxbox.com>
6504 * fixinc/fixincl.c: Added verbose levels for status messages
6506 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6508 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
6509 operand as argument to expand_and or expand_binop.
6511 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
6513 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
6514 gcc_add_string_root.
6516 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
6518 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
6520 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
6522 * flow.c (compute_flow_dominators): Initially put all blocks on
6524 * lcm.c (compute_antinout_edge, compute_available): Similarly.
6525 * gcse.c (compute_cprop_avinout): Remove.
6526 (compute_cprop_data): Use compute_available.
6527 (delete_null_pointer_checks_1): Use compute_available.
6529 * basic-block.h (compute_available): Returns a void now.
6530 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
6531 to return a value anymore.
6532 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
6533 worklists. Fix boundary cases. Compute maximal solutions.
6534 (compute_laterin, compute_nearerout): Similarly.
6536 * dwarf2out.c (add_AT_location_description): Allow
6537 (mem (plus (pseudo) (...)) too.
6539 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
6541 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
6543 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
6544 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6546 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
6548 * gansidecl.h: Likewise.
6554 * toplev.h: Likewise.
6560 * varray.c: Likewise.
6562 * varray.h: Likewise.
6564 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
6566 * gcov.c (struct arcdata): Add hits and total, remove prob.
6567 (output_branch_counts): New.
6568 (process_args): Set output_branch_counts if -c.
6569 (calculate_branch_probs): Store hits and total instead of
6571 (output_data): Emit counts if output_branch_counts is true.
6572 * gcov.texi (Invoking Gcov): Document -c switch..
6574 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
6576 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
6577 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
6579 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
6581 * invoke.texi (C Dialect Options): Add missing builtins from
6583 * extend.texi (Other Builtins): Copy to this list.
6585 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6587 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
6588 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
6591 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
6593 * flow.c (compute_flow_dominators): No longer treat basic block 0
6594 or (n_basic_blocks - 1) specially. Clear the AUX field before
6595 starting computation of doms/pdoms. Fix initial state for pdoms.
6597 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6599 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
6600 match rtl.o's: added ggc.h and toplev.h
6601 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
6602 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
6603 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
6605 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
6607 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
6608 from HAVE_DOS_BASED_FILESYSTEM.
6609 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
6610 HAVE_DOS_BASED_FILESYSTEM.
6612 (split_directories): Only special-case DOS file names if
6613 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
6614 instead of explicit tests. Conditionalize on !VMS.
6615 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
6616 tests. Conditionalize on !VMS.
6617 (process_command): Only use make_relative_prefix if !VMS.
6618 (free_split_directories): Conditionalize on !VMS.
6619 (DIR_UP): Conditionalize on !VMS.
6621 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
6623 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
6625 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
6627 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
6630 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
6632 * invoke.texi (Environment Variables): Document relative path
6634 * gcc.c (DIR_UP): If not defined, define as "..".
6635 (standard_bindir_prefix): New static, holds target location to
6637 (split_directories): New function to split a filename into
6638 component directories.
6639 (free_split_directories): New function, release memory allocated
6640 by split_directories.
6641 (make_relative_prefix): New function, make a relative pathname if
6642 the compiler is not in the expected location.
6643 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
6644 can figure out an appropriate prefix from argv[0].
6645 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
6646 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
6647 STANDARD_BINDIR_PREFIX.
6649 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6651 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
6653 * config/c4x/c4x.h: Moved prototypes to c4x.h.
6654 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
6655 c4x_secondary_memory_needed) Delete.
6656 (fp_zero_operand): Add mode argument.
6658 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
6660 * reload1.c (reload_reg_free_for_value_p): Don't use a register
6661 that is in reload_reg_used.
6663 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
6665 * config/arm/arm-protos.h: New file: Prototypes for functions
6666 defined in arm.c and pe.c.
6667 * config/arm/arm.h: Fix compile time warnings.
6668 * config/arm/arm.c: Fix compile time warnings.
6669 * config/arm/pe.h: Fix compile time warnings.
6670 * config/arm/aout.h: Fix compile time warnings.
6672 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
6674 * config/m32r/m32r-protos.h: New file: Prototypes for functions
6677 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
6678 Add support for subtargets.
6679 Add prototypes for new predicates.
6680 Add scheduling macros.
6682 * config/m32r/m32r.c: Fix compile time warnings.
6683 (int8_operand): New predicate function.
6684 (reg_or_cmp_int16_operand): New predicate function.
6685 (extend_operand): New predicate function.
6686 (m32r_adjust_code): New scheduling function.
6687 (m32r_adjust_priorty): New scheduling function.
6688 (m32r_sched_init): New scheduling function.
6689 (m32r_sched_reorder): New scheduling function.
6690 (m32r_sched_variable_issue): New scheduling function.
6691 (direct_return): New codegen function.
6692 (m32r_not_same_reg): New rtl testsing function.
6694 * config/m32r/m32r.md: Fix compile time warnings.
6695 Add support for pre decrement and post increment memory
6700 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6702 * global.c (EXECUTE_IF_CONFLICT): Don't define.
6703 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
6704 (find_reg): Likewise.
6706 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
6708 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
6709 to avoid assembler errors.
6711 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
6713 * config/v850/v850-protos.h: New file: Prototypes for functions
6715 * config/v850/v850.h: Move prototypes to v850-protos.h
6716 * config/v850/v850.c: Move prototypes to v850-protos.h
6717 * config/v850/v850.md: Fix compile time warnings.
6719 * config/fr30/fr30-protos.h: New file: Prototypes for functions
6721 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
6722 * config/fr30/fr30.c: Fix compile time warnings.
6723 * config/fr30/fr30.md: Fix compile time warnings.
6725 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
6727 * tree.h (get_containing_scope): Declare it.
6728 * tree.c (get_containing_scope): New fucntion.
6729 (decl_function_context): Use it.
6730 * toplev.c (rest_of_compilation): Use get_containing_scope.
6732 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6734 * Makefile.in (rtl.o): Depend on toplev.h.
6736 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
6738 * cse.c (delete_trivially_dead_insns): Replace alloca with
6740 * except.c (update_rethrow_references): Likewise.
6741 (init_eh_nesting_info): Likewise.
6742 * function.c (identify_blocks): Likewise.
6743 * gcse.c (dump_hash_table): Likewise.
6744 * graph.c (print_rtl_graph_with_bb): Likewise.
6745 * loop.c (combine_movables): Likewise.
6746 (move_movables): Likewise.
6747 (count_loop_regs_set): Likewise.
6748 (strength_reduce): Likewise.
6749 * profile.c (compute_branch_probabilities): New function, split
6751 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
6752 * regclass.c (regclass): Likewise.
6753 * regmove.c (regmove_optimize): Likewise.
6754 * toplev.c (compile_file): Likewise.
6755 (main): Don't mess with the stack rlimit.
6757 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
6759 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
6760 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
6762 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
6764 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
6766 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
6768 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
6769 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
6772 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
6774 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
6776 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
6778 * gcse.c (post_dominators): Kill.
6779 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
6780 (compute_code_hoist_data): Use compute_flow_dominators. Do not
6781 pass in a pdom array since we do not need pdoms.
6782 * haifa-sched.c (schedule_insns): Similarly.
6783 * flow.c (compute_dominators): Remove dead function.
6784 (compute_flow_dominators): Do not compute doms or pdoms if the
6785 caller does not request them. Split up loop to build doms and
6786 pdoms. Use a worklist to compute doms and pdoms.
6787 * basic-block.h (compute_dominators): Remove prototype.
6789 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
6791 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
6792 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
6793 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
6794 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
6795 (cant_move, fed_by_spec_load, is_load_insn): Remove.
6796 (schedule_region): Remove unused variable.
6797 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
6799 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
6801 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
6802 (update_equiv_regs): Likewise.
6803 (block_alloc): Likewise.
6804 * reg-stack.c (reg_to_stack): Likewise.
6805 (convert_regs_2): Likewise.
6806 * reload1.c (reload_as_needed): Likewise.
6808 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
6810 * Makefile.in (dbxout.o): Depend on ggc.h.
6811 (dwarf2out.o): Likewise.
6812 (xcoffout.o): Likewise.
6813 * dbxout.c: Include ggc.h.
6814 (dbxout_init): Register lastfile as a root.
6815 * dwarf2out.c: Include ggc.h.
6816 (dwarf2out_line): Register lastfile as a root.
6817 * xcoffout.c: Include ggc.h.
6818 (xcoffout_source_line): Register xcoff_lastfile as a root.
6820 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
6822 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
6824 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
6826 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
6828 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6830 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6832 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
6833 (EXECUTE_IF_CONFLICT): Likewise.
6834 (ALLOCNO_LIVE_P): Avoid signed division.
6835 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
6836 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
6837 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
6839 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
6841 * haifa-sched.c (schedule_block): Don't crash if there's no
6842 next insn for an interblock movement.
6843 (add_branch_dependences): Don't allow clobber insns to move either.
6845 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
6847 * i386.c (split_xf): New.
6848 * i386-protos.h: Declare it.
6849 * i386.md (movxf_1): Add general regs alternatives.
6850 (movxf_1+1): New splitter for same.
6852 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
6854 * function.c (purge_addressof_1): Add missing return values.
6856 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
6858 * function.c (is_addressof): New function. Returns true if
6859 the given piece of RTL is an ADDRESSOF.
6860 (purge_addressof_1): Make boolean. Return false if the
6861 ADDRESSOFs could not be purged.
6862 (purge_addressof): If ADDRESSOFs could not be purged from the
6863 notes attached to an insn, remove the offending note(s),
6864 unless they are attached to a libcall.
6866 1999-11-05 Andreas Jaeger <aj@suse.de>
6868 * genoutput.c (null_operand =): Initialize all fields.
6870 * errors.h: Add extern to prototypes.
6872 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
6874 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
6875 * configure: Rebuilt.
6877 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6879 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
6880 (mirror_conflicts): New function.
6881 (global_alloc): Call it.
6882 (expand_preferences): Remove redundant CONFLICTP test.
6883 (find_reg, dump_conflicts): Likewise.
6884 (prune_preferences): Process conflicts one word at a time.
6886 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
6888 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
6889 instead of an explicit loop.
6891 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
6893 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
6894 if REG_RETVAL check succeeds, then put classp in src_elt.
6896 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
6898 * function.c (pad_to_arg_alignment): Only update argument_pad
6899 if the argument's alignment is greater than STACK_BOUNDARY.
6901 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
6903 * bitmap.h (BITMAP_XFREE): New.
6904 * flow.c (life_analysis): Use it.
6905 (life_analysis_1): Free blocks.
6907 * combine.c (undo_commit): New.
6908 (try_combine): Use it. Don't zap undobuf.undos.
6909 (combine_instructions): Don't zap undobuf.undos; free the
6912 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
6914 * stmt.c (cost_table_): New.
6915 (estimate_case_costs): Use it instead of xmalloc.
6917 * toplev.c (compile_file): Reuse dumpname memory instead
6920 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
6922 * reg-stack.c (convert_regs_1): Initialize target_stack->top
6923 after verifying an EH edge.
6925 * haifa-sched.c (init_rgn_data_dependences): Correctly
6926 size bb_pending_lists_length when zeroing.
6928 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
6930 * function.c (diddle_return_value): New.
6931 (expand_function_end): Use it.
6932 * stmt.c (expand_null_return): Likewise.
6933 (expand_value_return): Likewise.
6935 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
6937 * reload1.c (reload): Don't remove return value clobbers.
6939 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
6941 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
6943 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
6945 * cse.c (cse_main): Use xmalloc, not alloca.
6946 (cse_basic_block): Likewise.
6947 * local-alloc.c (local_alloc): Likewise.
6949 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
6950 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6952 * rtl.c: Include toplev.h.
6953 (fatal): Remove declaration.
6955 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
6957 * haifa-sched.c (schedule_block): Fix thinko.
6959 1999-11-03 James McKelvey <mckelvey@fafnir.com>
6961 * fixinc/fixincl.c(create_file): Allow for systems that do not have
6962 S_IR* defined values
6964 1999-11-03 Philippe De Muyter <phdm@macqel.be>
6966 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
6967 call `malloc' instead.
6969 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
6971 * flags.h (flag_renumber_insns): Declare.
6972 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
6974 * rtl.h (renumber_insns): Change prototype.
6975 * toplev.c (flag_renumber_insns): Define.
6976 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
6978 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
6980 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
6981 and fpsqrtd. Use them and create fdiv function unit to more
6982 accurately represent fpu sqrt pipeline semantics on UltraSparc.
6983 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
6985 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
6987 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
6989 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
6990 insn into ready list, do not use just a raw swap.
6992 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
6994 * rtl.h (renumber_insns): New function.
6995 (remove_unnecessary_notes): Likewise.
6996 * emit-rtl.c (renumber_insns): Define.
6997 (remove_unncessary_notes): Likewise.
6998 * toplev.c (rest_of_compilation): Remove dead code.
6999 Use renumber_insns and remove_unncessary_notes.
7001 * gcse.c (struct null_pointer_info): New type.
7002 (get_bitmap_width): New function.
7003 (current_block): Remove.
7004 (nonnull_local): Likewise.
7005 (nonnull_killed): Likewise.
7006 (invalidate_nonnull_info): Take a null_pointer_info as input.
7007 (delete_null_pointer_checks_1): New function.
7008 (delete_null_pointer_checks): Use it.
7010 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
7011 (split_edges): Likewise.
7012 (schedule_block): Likewise.
7013 (compute_block_backward_dependencies): Likewise.
7014 (schedule_region): Likewise.
7015 (schedule_insns): Likewise.
7017 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
7019 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
7020 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
7021 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
7022 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
7023 * jump.c (delete_unreferenced_labels): Don't delete if
7024 LABEL_ALTERNATE_NAME is set.
7025 * print-rtl.c (print_rtx): Dump alternate name.
7026 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
7027 * rtl.h (LABEL_ALTERNATE_NAME): Define.
7028 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
7029 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
7031 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7033 * fix-header.c (recognized_extern, recognized_function): Constify
7036 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
7037 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
7038 (compute_available): Remove unused variable `last'.
7039 (compute_nearerout): Remove unused variable `temp_bitmap'.
7040 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
7041 Remove unused variable `x'.
7043 * scan.h (recognized_function, recognized_extern): Constify a
7046 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
7048 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7050 * varasm.c (decode_rtx_const): Use XSTR to access the string
7053 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
7055 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
7057 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7059 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
7061 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
7063 * pa.c (ireg_operand): New function.
7064 * pa.h (PREDICATE_CODES): Handle ireg_operand.
7065 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
7066 Fix out of date comment.
7068 * pa.md (negdi2): Turn into expander + anonymous pattern.
7070 * reload.c (find_reloads): Fix typos in recent change.
7072 * dwarf2out.c: Do not include ctype.h.
7074 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7076 * regclass.c (record_reg_classes): Always use may_move_cost when
7077 seeing how operand fits with various register classes.
7079 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
7081 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
7082 * toplev.c: Revert Nov 1 13:22 change.
7084 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
7086 * config/pa/pa.md (height reduction patterns): Add checks for
7087 overlapping operands to avoid semantic-destroying splits for
7088 height reduction patterns.
7090 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7092 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
7093 have been an hyphen, fixed.
7094 * configure: Rebuilt.
7096 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
7098 * config/arm/tpe.h: Add prototypes for exported functions.
7099 * config/arm/pe.c: Fix compile time warnings.
7100 * config/arm/semi.h: Fix compile time warnings.
7101 * config/arm/arm.c: Fix compile time warnings.
7102 * config/arm/arm.h: Fix compile time warnings.
7103 * config/arm/arm.md: Fix compile time warnings.
7104 * config/arm/thumb.c: Fix compile time warnings.
7105 * config/arm/thumb.h: Fix compile time warnings.
7106 * config/arm/thumb.md: Fix compile time warnings.
7108 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
7110 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
7113 * unroll.c (unroll_loop): Remove LOOP notes when loop is
7114 completely unrolled.
7116 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7118 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
7120 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
7122 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
7123 * rtl.h (rtx_equal_p): Move prototype.
7124 * rtl.c (rtx_equal_function_value_matters): Move from
7126 (rtx_equal_p): Likewise.
7127 * rtlanal.c (rtx_equal_function_value_matters): Delete.
7128 (rtx_equal_p): Likewise.
7130 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
7132 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
7135 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
7137 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
7139 * pa.h (ADDR_VEC_ALIGN): Define.
7141 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
7142 notes when presented with "if (foo) break; end_of_loop" and
7143 the break sequence gets moved out of the loop.
7145 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
7146 Remove explicit zero initializations of entries within MAP.
7148 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
7150 * reg-stack.c (convert_regs_1): Handle EH edges specially.
7152 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
7154 * bitmap.h (BITMAP_XMALLOC): New macro.
7155 * flow.c (CLEAN_ALLOCA): Remove.
7156 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
7157 (life_analysis): Likewise.
7158 (update_life_info): Don't use CLEAN_ALLOCA.
7159 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
7160 (calculate_global_regs_live): Likewise.
7161 (print_rtl_with_bb): Likewise.
7162 (verify_flow_info): Likewise.
7163 * global.c (global_alloc): Likewise.
7164 (global_conflicts): Likewise.
7165 * integrate.c (save_for_inline_nocopy): Likewise.
7166 (expand_inline_function): Likewise.
7167 * jump.c (jump_optimize_1): Likewise.
7168 (duplicate_loop_exit_test): Likewise.
7169 (thread_jumps): Likewise.
7170 * loop.c (loop_optimize): Likewise.
7171 (combine_givs): Likewise.
7172 (recombine_givs): Likewise.
7173 * reorg.c (dbr_schedule): Likewise.
7174 * unroll.c (unroll_loop): Likewise.
7176 * combine.c (combine_instructions): Use xmalloc instead of alloca.
7178 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
7180 * toplev.c (rest_of_compilation): Don't optimize the CFG
7181 when rebuilding, just before dbr.
7183 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7185 * output.h (assemble_end_function, assemble_destructor,
7186 assemble_constructor, assemble_gc_entry, assemble_global,
7187 assemble_label, output_constant_pool) Constify a char*.
7189 * varasm.c (assemble_destructor, assemble_constructor,
7190 assemble_gc_entry, assemble_end_function, assemble_global,
7191 assemble_label, output_constant_pool): Likewise.
7193 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
7195 * config/arm/thumb.c (thumb_expand_prologue): Add comments
7196 explaining what is goin on in this function.
7198 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7200 * regclass.c (record_reg_classes): In matching case, recompute
7201 costs since the direction of movement is different.
7203 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
7205 * resource.c (mark_target_live_regs): For unconditional branches,
7206 the resources found at the branch target should be added to the
7207 resources found so far, not intersected.
7209 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
7211 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
7213 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
7214 (sys/mman.h): Include this file only if #HAVE_MMAP.
7215 (run_compiles): Initialize `esac_fmt' with one old KR string, not
7216 with automatically concatenated ANSI strings.
7218 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
7220 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
7221 (DIV_ROUND_UP): Robustify.
7222 (ggc_recalculate_in_use_p): New function.
7223 (release_pages): Don't inline it.
7224 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
7226 (ggc_pop_context): Use ggc_recalculate_in_use_p.
7227 (clear_marks): Always save in_use_p.
7228 (sweep_pages): Use ggc_recalculate_in_use_p.
7229 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
7230 Release pages before counting statistics.
7232 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
7234 * toplev.c (rest_of_compilation): Fix thinko in this change:
7236 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
7238 (rest_of_compilation): If inside an inlined external function,
7239 pretend we are just being declared.
7241 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
7243 * flow.c (calculate_global_regs_live): Fix thinko.
7245 * integrate.c (expand_inline_function): Fix bugs in previous
7246 change from Oct 28, 1999.
7248 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
7250 * stmt.c (expand_value_return): Fix typo in this change:
7252 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7253 (expand_value_return): Correctly convert VAL when promoting function
7254 return; support RETURN_REG being a PARALLEL.
7256 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
7258 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
7260 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7262 * hard-reg-set.h (reg_names): Constify a char*.
7264 * regclass.c (reg_names): Likewise.
7266 * regs.h (reg_names): Likewise
7268 * a29k/a29k.c (reg_names): Delete declaration.
7270 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
7272 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
7273 arc_output_function_epilogue): Likewise.
7275 * elxsi/elxsi.c (reg_names): Likewise.
7277 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
7279 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
7282 * m88k/m88k.c (output_function_profiler): Likewise.
7284 * sparc/sparc.c (sparc_flat_output_function_prologue,
7285 sparc_flat_output_function_epilogue): Likewise.
7287 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
7289 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
7290 warning from -Wuninitialized and put it under -W.
7291 * function.c (uninitialized_vars_warning): Warn only when the
7292 corresponding flag is set.
7294 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
7296 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
7297 is nonzero and the single set does not have an elt, then assign
7300 * simplify-rtx.c: New file.
7301 * Makefile.in (OBJS): Add simplify-rtx.o
7302 (simplify-rtx.o): Add dependencies.
7303 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
7304 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
7305 (cse_gen_binary, simplify_unary_operation): Delete.
7306 (simplify_binary_operation, simplify_plus_minus): Likewise.
7307 (check_fold_consts, simplify_relation_operation): Likewise.
7308 (simplify_ternary_operation): Likewise.
7309 (delete_trivially_dead_insns): Simplify the contents of the
7310 REG_EQUAL note before trying to substitute it into the source
7311 of the reg-reg copy at the end of a libcall sequence.
7313 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
7314 references/callers changed.
7316 * mn10200.c (mn10200_va_arg): Force the return value into a
7319 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
7321 * cccp.c (macroexpand): Avoid out of range accesses for omitted
7324 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
7326 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
7328 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
7330 * fold-const.c (fold): Fix thinko when optimizing comparisons
7333 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
7335 * gcc.texi (Passes): Update front-end files to their current
7338 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
7340 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
7341 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
7342 (PREDICATE_CODES): Add addition_operation.
7343 * alpha-protos.h (addition_operation): Declare.
7344 (secondary_reload_class): Likewise.
7345 * alpha.c (addition_operation): New.
7346 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
7347 * alpha.md (adddi3): Turn into expander.
7348 (*lda, *adddi_2): New.
7349 (movsf, movdf patterns): Don't preference integer regs.
7350 (movsi, movdi patterns): Don't preference fp regs.
7352 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
7354 * genrecog.c (write_switch): Check for duplicate CODE cases.
7356 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
7358 * ggc-common.c: Update pre-function commentary.
7359 * ggc-page.c: Likewise.
7361 (poison_pages): Use memset directly.
7362 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
7363 (ggc_collect): Poison before sweeping.
7364 * ggc-simple.c: Update pre-function commentary.
7365 (ggc_alloc_obj): Poison non-zeroed memory.
7367 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
7369 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
7370 match format string, even on 64-bit hosts.
7371 * gcc-page.c (ggc_page_print_statistics): Likewise.
7373 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
7375 * config/i386/i386.c (ix86_cpu): Revert last patch.
7376 * config/i386/i386.h (ix86_cpu): Ditto.
7378 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
7380 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
7381 TYPE_SIZE, convert type of result to sizetype.
7383 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
7385 * flow.c (count_or_remove_death_notes): Equate NULL with the
7388 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
7389 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
7392 * i386.c (pic_label_no): Delete.
7393 (ix86_attr_length_default): Don't use single_set to peek
7396 * recog.c (peephole2_optimize): Allow recog_next_insn to index
7397 the first insn after bb->end.
7398 * i386.md (push mem peeps): Scratch is live after evaluation
7400 (cmp mem peep): Similarly.
7402 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
7404 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
7405 * function.c (pad_to_arg_alignment): Add missing braces.
7407 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7409 * alpha/alpha-protos.h (literal_section): Add prototype.
7410 (alpha_need_linkage, alpha_start_function,alpha_end_function):
7413 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
7415 (alpha_start_function, alpha_end_function, float_strings,
7416 alpha_need_linkage): Constify a char*
7418 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
7420 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
7422 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7424 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
7426 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7428 * flow.c (debug_flow_info): Add prototype.
7430 * gcc.c (main): Likewise.
7432 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
7435 * reload1.c (failed_reload, set_reload_reg): Likewise.
7437 * mips-tfile.c (main): Likewise.
7438 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
7439 with ATTRIBUTE_NORETURN.
7441 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
7443 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
7444 DECL is not a memory ref.
7446 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
7448 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
7449 * config/i386/i386.c (ix86_cpu): Add extern attribute.
7451 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
7453 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
7454 * config/mips/elf64.h: ditto.
7456 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
7458 * expr.c (emit_push_insn): New argument alignment_pad.
7459 Update all callers. Adjust stack pointer based on alignment pad.
7460 * function.c (pad_to_arg_alignment): New argument alignment_pad.
7461 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
7462 (locate_and_pad_parm): New argument alignment_pad. Update all
7464 * expr.h (emit_push_insn): Update prototype.
7465 (locate_and_pad_parm): Update prototype.
7466 * calls.c (arg_data): Add new field alignment_pad.
7467 (initialize_argument_information): Initialize alignment_pad.
7469 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
7471 * except.c (free_eh_nesting_info): Free the info itself.
7472 * function.c (free_after_compilation): Don't free NULL.
7473 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
7474 (pre_edge_insert): Free inserted.
7475 * stmt.c (free_stmt_status): Don't free NULL.
7477 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
7479 * gcov.c (DIR_SEPARATOR): Provide default.
7480 (output_data): Add test for MS-DOS format absolute filename.
7481 (fancy_abort): Correct program name.
7482 (open_files): Open all files in binary mode.
7483 * libgcc2.c (__bb_exit_func): Likewise.
7485 * profile.c (init_branch_prob): Specify binary when opening files.
7487 * flags.h (flag_unwind_tables): New decl.
7488 * toplev.c (flag_unwind_table): New definition.
7489 (f_options): Add -funwind-tables.
7490 (decode_g_option): Clarify warning when unknown -g option is given.
7491 (rest_of_compilation): If inside an inlined external function,
7492 pretend we are just being declared.
7494 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
7495 (dwarf2out_frame_finish): Likewise.
7497 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
7499 * fold-const.c (merge_ranges): If not in0, but in1, handle
7500 upper bounds equal like subset case.
7502 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
7504 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
7505 passed in a register but moved to the stack.
7507 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
7509 * gcc.c (pass_exit_codes, greatest_status): New variables.
7510 (struct option_map): Add entry for "--pass-exit-codes".
7511 (execute): Update greatest_status if error.
7512 (display_help): Add documentation for -pass-exit-codes.
7513 (process_command): Handle -pass-exit-codes.
7514 (main): Look at pass_exit_codes and greatest_status on call to exit.
7516 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7518 * reload.c (find_reloads): Refine test for no input reload
7519 case to not includes reloads emitted after insn.
7521 * function.c (find_temp_slots_from_address): Handle sum involving
7522 a register that points to a temp slot.
7523 (update_temp_slot_address): Make recursive call if both old and
7524 new are PLUS with a common operand.
7525 * calls.c (expand_call): Mark temp slot for result as having
7528 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
7530 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
7531 component as well as "BINUTILS".
7533 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
7534 * integrate.c (copy_rtx_and_substitute): Likewise.
7535 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
7536 All callers changed.
7537 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
7539 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
7540 gdb extensions, write size of type; also be more consistent
7541 in using references when this is a subtype.
7543 * pa.md (extv, extzv, insv): Use define_expand to reject constant
7544 that is out of range.
7546 * loop.c (unknown_constant_address_altered): New variable.
7547 (prescan_loop): Initialize it.
7548 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
7549 (invariant_p, case MEM): Remove handling for volatile and readonly;
7550 check new variable if readonly.
7551 (check_dbra_loop): Chdeck unknown_constant_address_altered.
7553 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
7554 (addr_affects_sp_p): Removed from note_mem_written and only
7555 define #ifdef AUTO_INC_DEC.
7557 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
7559 * regclass.c (record_reg_classes): Properly handle register move
7562 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
7563 Don't think valid if both operands are invalid.
7564 (struct constant_descriptor): New field RTL.
7565 (mark_const_hash_entry): Mark it.
7566 (record_constant{,_rtx}): Initialize it.
7567 (output_constant_def): Allocate RTL in permanent obstack and
7569 ({record,compare}_constant_1): Modes must match for
7570 CONSTRUCTOR of ARRAY_TYPE.
7572 * c-common.h (initializer_constant_valid_p): Delete decl from here.
7573 * output.h (initializer_constant_valid_p): Move decl to here.
7574 * c-common.c (initializer_constant_valid_p): Delete function from here.
7575 * varasm.c (initializer_constant_valid_p): Move function to here.
7577 * tree.h (STRIP_SIGN_NOPS): New macro.
7578 * fold-const.c (optimize_minmax_comparison): New function.
7579 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
7580 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
7581 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
7582 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
7583 widening conversions.
7584 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
7585 to look at size of mode, not precision of type; also add missing cases.
7586 (optimize_bit_field_compare, decode_field_reference): Don't try to
7587 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
7589 * dwarf2out.c (ctype.h): Include.
7590 (dwarf2out_set_demangle_name_func): New function.
7591 (size_of_line_info): Deleted.
7592 (output_line_info): Compute size of line info table from difference
7594 (base_type_die, add_name_attribute): Call demangle function, if any.
7595 (field_byte_offset): Use bits per word for variable length fields.
7596 (gen_array_type_die): Add array name.
7597 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
7598 (dwarf2out_add_library_unit_info): New function.
7600 * explow.c (set_stack_check_libfunc): New function.
7601 (stack_check_libfunc): New static variable.
7602 (probe_stack_range): Allow front-end to set up a libfunc to call.
7604 * combine.c (simplify_comparison): When making comparison in wider
7605 mode, check for having commuted an AND and a SUBREG.
7606 (contains_muldiv): New function.
7607 (try_combine): Call it when dividing a PARALLEL.
7608 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
7609 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
7611 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
7612 use one of the CLOBBERs instead.
7613 (if_then_else_cond): If comparing against zero, just return thing
7616 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
7617 Don't generate shifts and subtract if have conditional arithmetic.
7619 * rtl.h (delete_barrier): New declaration.
7620 * jump.c (jump_optimize): Set up to handle conditional call.
7621 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
7622 (delete_barrier): New function.
7624 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
7626 * recog.c (nonmemory_operand): Accept ADDRESSOF.
7628 * tree.c (build_type_attribute_variant): Push to obstack of
7629 ttype around type_hash_canon call.
7631 * expr.c (placeholder_list): Move decl to file scope.
7632 (expand_expr): Don't force access to volatile just because its
7634 If ignoring reference operations, just expand the operands.
7635 (expand_expr, case COMPONENT_REF): Propagate
7636 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
7637 Refine test for using bitfield operations vs pointer punning.
7638 (expand_expr, case CONVERT_EXPR): If converting to
7639 BLKmode UNION_TYPE from BLKmode, just return inner object.
7640 Use proper mode in store_field call.
7641 Properly set sizes of object to store and total size in store_field
7642 call for convert to union.
7643 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
7644 memory (like for ADDR_EXPR). Also, don't put constant in register if
7645 we'll want it in memory.
7646 (readonly_fields_p): New function.
7647 (expand_expr, case INDIRECT_REF): Call it if LHS.
7648 (expand_assignment): Handle a RESULT_DECL where
7649 DECL_RTL is a PARALLEL.
7650 (do_jump, case WITH_RECORD_EXPR): New case.
7651 (get_inner_reference): Always go inside a CONVERT_EXPR
7652 and NOP_EXPR if both modes are the same.
7653 (store_field): Use bitfield operations if size of bitsize is not same
7654 as size of RHS's type.
7655 Check for bitpos not a multiple of alignment in BLKmode case.
7656 Do block move in largest possible alignment.
7657 (store_constructor): Set BITSIZE to -1 for variable size and properly
7658 in case of array of BLKmode.
7659 (expand_expr_unaligned): New function.
7660 (do_compare_and_jump): Call it.
7662 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
7663 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
7664 does not include 'o'.
7666 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
7667 both SET_DEST and SET_SRC reference a virtual register.
7668 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
7670 * integrate.c (expand_inline_function): Handle case of setting
7671 virtual stack vars register (from built in setjmp); when parameter
7672 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
7673 (subst_constant): Add new parm, MEMONLY.
7674 (expand_inline_function, integrate_parm_decls): Pass new parm.
7675 (integrate_decl_tree): Likewise.
7676 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
7677 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
7678 (copy_rtx_and_substitute, case SET): Add explicit calls to
7679 copy_rtx_and_substitute for both sides.
7681 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
7683 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
7684 within INDEX_TYPE, instead of before.
7685 (fixup_gotos): Use f->target_rtl, not the next insn,
7686 since latter may be from a later fixup.
7687 (expand_value_return): Correctly convert VAL when promoting function
7688 return; support RETURN_REG being a PARALLEL.
7689 (expand_return): When checking for result in regs and having
7690 cleanup, consider PARALLEL in DECL_RTL as being in regs.
7692 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
7694 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
7695 last_nominal_fname): Mark const.
7696 (struct include_hash: name, nshort, control_macro): Mark
7698 (struct macrodef: symnam): Mark const.
7699 (struct if_stack: fname): Mark const.
7700 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
7701 (IStable): New character-syntax array which encompasses all
7702 the old is_foo arrays.
7703 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
7704 is_space): New macros for interrogating IStable.
7705 (check_macro_name): Kill last argument. All callers changed.
7707 * cppinit.c (initialize_char_syntax): Delete.
7708 (is_idchar, is_idstart, is_hor_space, is_space,
7709 trigraph_table): Delete.
7710 (IStable): New. Initialize with clever macros to avoid
7711 information duplication.
7712 (builtin_array): Table of builtins to get rid of explicit list
7713 in initialize_builtins.
7714 (initialize_builtins): Use builtins_array.
7715 (cpp_start_read): Call init_IStable, and set IStable['$'] if
7716 opts->dollars_in_ident.
7718 * cppexp.c: Change all refs to is_xyz[] arrays to use new
7720 (cpp_parse_expr): Avoid 'format string is not constant'
7721 warning. Use ISGRAPH to identify printable chars.
7722 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
7724 (read_and_prescan): Map trigraphs to chars with open-coded
7725 if-else-if-... sequence, not a lookup table.
7726 * cpphash.c: Change all refs to is_xyz[] arrays to use new
7728 * cpplib.c: Change all refs to is_xyz[] arrays to use new
7729 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
7730 (check_macro_name): Remove ability to report an invalid
7731 assertion name, which is never used.
7732 (do_line): Constify a couple of char *'s.
7733 * cppmain.c (main): Call cpp_cleanup before returning.
7735 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
7737 * ggc.h (struct ggc_statistics): New type.
7738 (ggc_get_size): New function.
7739 (ggc_print_statistics): Likewise.
7740 * ggc-common.c (ggc_stats): New variable.
7741 (ggc_mark_rtx_children): Keep statistics.
7742 (ggc_mark_tree_children): Likewise.
7743 (ggc_print_statistics): New function.
7744 * ggc-page.c (struct globals): Add bytes_mapped field.
7745 (alloc_anon): Update it.
7746 (release_pages): Likewise.
7747 (ggc_get_size): New function.
7748 (ggc_page_print_statistics): New function.
7749 * ggc-simple.c (ggc_get_size): New function.
7751 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
7753 * flow.c (propagate_block): When the last reference to a label
7754 before an ADDR_VEC is deleted because the reference is a dead
7755 store, delete the ADDR_VEC.
7757 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
7759 * resource.c (find_free_register): Don't use the frame pointer
7760 if frame_pointer_needed.
7762 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
7764 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
7765 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
7767 * config/i960/i960.c (i960_va_start): New locals base, num.
7768 Use INDIRECT_REF instead of ARRAY_REF on valist.
7769 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
7771 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
7773 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
7775 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
7777 * tree.def (PLACEHOLDER_EXPR): Update comments.
7779 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7781 * c-common.c (check_format_info): Avoid non-literal format string
7782 warnings when `first_arg_num' is zero.
7784 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7786 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
7788 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
7790 * arm.md (casesi_insn): Add a clobber of the condition code
7793 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
7795 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
7796 used by both cc1 and cc1plus.
7798 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
7800 * config/arm/arm.c: Initialise arm_structure_size_boundary to
7801 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
7802 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
7803 to the value 32 if it has not already been defined.
7804 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
7805 Override definition in arm.h with a value of 8.
7807 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
7809 * c-pragma.c (push_alignment): Don't check the return value
7812 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
7814 * sparc.h (ADJUST_COST): Fix thinko.
7816 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
7818 * cccp.c (rescan): Fixed obp pointer handling around call to
7819 check_expand subroutine.
7821 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
7823 * gcse.c (delete_null_pointer_checks): Only record non-null info
7824 for pseudos when examining stores.
7826 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
7827 splitters for these patterns. Use "#" for output templates.
7828 (addsi3_carryin_shift): New pattern.
7830 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
7832 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
7833 of the function return register into a plain REG until
7834 after function inlining is done.
7836 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
7838 * jump.c (jump_optimize_1): If we did cross-jumping, and
7839 the data will matter, rebuild the CFG.
7840 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
7841 not optimizing. Don't run shorten_branches.
7842 * toplev.c (rest_of_compilation): Run shorten_branches after
7845 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
7847 * rtl.h (note_stores): Add additional paramter.
7848 * rtlanal.c (reg_set_p_1): Take additional paramter.
7849 (reg_set_last_1): Likewise.
7850 (reg_set_p): Adjust call to note_stores.
7851 (reg_set_last): Likewise.
7852 (note_stores): Pass data parameter to worker function.
7853 * alias.c (record_set): Take additional parameter.
7854 (init_alias_analysis): Pass it.
7855 * caller-save.c (mark_set_regs): Take additional parameter.
7856 (save_call_clobbered_regs): Pass NULL to note_stores.
7857 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
7859 (record_dead_and_set_regs_1): Likewise.
7860 (reg_dead_at_p_1): Likewise.
7861 (combine_instructions): Adjust calls to note_stores.
7862 (try_combine): Likewise.
7863 (record_dead_insn): Remove.
7864 (record_dead_and_set_regs): Adjust calls to note_stores.
7865 (reg_dead_at_p): Likewise.
7866 * cse.c (invalidate_skipped_set): Take additional parameter.
7867 (cse_check_loop_start): Likewise.
7868 (cse_check_loop_start_value): Remove.
7869 (cse_set_around_loop): Adjust calls to note_stores.
7870 * flow.c (notice_stack_pointer_modification): Take additional
7871 parameter. Remove duplicate declaration.
7872 (record_volatile_insns): Adjust calls to note_stores.
7873 * gcse.c (record_set_info): Take additional parameter.
7874 (record_last_set_info): Likewise.
7875 (invalidate_nonnull_info): Likewise.
7876 (record_set_insn): Remove.
7877 (compute_sets): Adjust calls to note_stores.
7878 (last_set_insn): Remove.
7879 (compute_hash_table): Adjust calls to note_stores.
7880 (insert_insn_end_bb): Likewise.
7881 (delete_null_pointer_checks): Likewise.
7882 * global.c (mark_reg_store): Take additional parameter.
7883 (mark_reg_clobber): Likewise.
7884 (reg_becomes_live): Likewise.
7885 (global_conflicts): Adjust calls to note_stores.
7886 (build_insn_chain): Likewise.
7887 * integrate.c (note_modified_parmregs): Take additional parameter.
7888 (mark_stores): Likewise. Make it static.
7889 (save_for_inline_nocopy): Adjust calls to note_stores.
7890 (try_constants): Likewise.
7891 * integrate.h (mark_stores): Remove declaration.
7892 * jump.c (mark_modified_reg): Take additional parameter.
7893 (thread_jumps): Adjust calls to note_stores.
7894 * local-alloc.c (validate_equiv_mem_from_store): Take additional
7896 (no_equiv): Likewise.
7897 (reg_is_set): Likewise.
7898 (validate_equiv_mem): Adjust calls to note_stores.
7899 (update_equiv_regs): Likewise.
7900 (block_alloc): Likewise.
7901 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
7902 (note_addr_stored): Take additional parameter.
7903 (note_set_pseudo_multiple_uses): Likewise.
7904 (record_initial): Likewise.
7905 (prescan_loop): Adjust calls to note_stores.
7906 (strength_reduce): Likewise.
7907 (check_dbra_loop): Likewise.
7908 * regmove.c (flags_set_1): Take additional paramter.
7909 (mark_flags_life_zones): Adjust calls to note_stores.
7910 * reload1.c (mark_not_eliminable): Take additional parameter.
7911 (forget_old_reloads_1): Likewise.
7912 (reload_cse_invalidate_rtx): Likewise.
7913 (reload_cse_check_clobber): Likewise.
7914 (reload_combine_note_store): Likewise.
7915 (move2add_note_store): Likewise.
7916 (reload): Adjust calls to note_stores.
7917 (reload_as_needed): Likewise.
7918 (emit_reload_insns): Likewise.
7919 (reload_cse_regs_1): Likewise.
7920 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
7921 (reload_combine): Adjust calls to note_stores.
7922 * resource.c (update_live_status): Take additional paramter.
7923 (mark_target_live_regs): Adjust calls to note_stores.
7924 * stupid.c (find_clobbered_regs): Take additional parameter.
7925 (stupid_life_analysis): Adjust calls to note_stores.
7927 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
7929 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
7932 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
7935 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
7936 of the variable arm_structure_size_boundary.
7938 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
7940 * alias.c (init_alias_analysis): Allocate reg_known_value and
7941 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
7943 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
7944 * cse.c (cse_main): Call end_alias_analysis.
7945 * haifa-sched.c (schedule_insns): Likewise.
7946 * local-alloc. (update_equiv_regs): Likewise.
7947 * reload1.c (reload_cse_regs): Likewise.
7949 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7951 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
7952 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
7953 mapping from MASK_FPU.
7955 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
7957 * sparc.md (call): Don't bound structure return size to 0xfff.
7959 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
7961 * resource.c (mark_target_live_regs): Check that the target
7962 insn wasn't created after compute_bb_for_insn.
7964 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
7966 * ggc-page.c (poison_pages): Don't be overzealous.
7968 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
7970 * alias.c: Update comments for ADDRESS.
7971 (nonlocal_reference_p): Look inside the ADDRESS to determine if
7972 it is a local memory reference.
7974 * c-typeck.c (build_function_call): Check that the built-in
7975 function is of class BUILT_IN_NORMAL before trying to recongize
7977 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
7978 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
7980 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
7982 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
7984 (pre_gcse): Likewise.
7985 (hoist_expr_reaches_here_p): Likewise.
7986 (hoist_code): Likewise.
7987 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
7989 (pre_expr_reaches_here_p_work): ... here.
7990 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
7992 (expr_reaches_here_p_work): ... here.
7994 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
7996 * resource.c (find_basic_block): Delete.
7997 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
7998 (init_resource_info): Call compute_bb_for_insn.
8000 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
8002 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
8003 with already adjacent blocks, but no fallthru.
8004 (merge_blocks_move_successor_nojumps): Simplify.
8005 (debug_flow_info): New.
8007 * toplev.c (rest_of_compilation): Open jump1 dump file before
8008 jump and close after, as opposed to just using dump_rtl.
8010 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8012 * reload.h (earlyclobber_operand_p): Declare.
8013 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
8014 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
8015 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
8016 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
8018 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
8019 Richard Henderson <rth@cygnus.com>
8021 * emit-rtl.c (emit_block_insn_before): New.
8022 (emit_block_insn_after): New.
8023 * basic-block.h: Declare them.
8025 * bitmap.h: Protect from multiple inclusion.
8027 * recog.c (scratch_operand): Handle VOIDmode correctly.
8029 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
8031 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
8032 * function.c (assign_parms): Likewise.
8033 * global.c (global_conflicts): Clarify STACK_REGS commentary.
8035 * reg-stack.c (max_uid): Remove.
8036 (blocks, block_begin, block_end, block_drops_in): Remove.
8037 (block_stack_in, block_out_reg_set, block_number): Remove.
8038 (struct block_info_def, BLOCK_INFO): New.
8039 (enum emit_where): New.
8040 (current_block): New.
8041 (BLOCK_NUM): Remove.
8042 (mark_regs_pat, record_label_references): Remove.
8043 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
8045 (goto_block_pat, print_blocks, dump_stack_info): Remove.
8046 (reg_to_stack): Simplified test for existance of fp code. Use
8047 flow.c code. Call shorten_branches after cross-jump opt.
8048 (check_asm_stack_operands): Renamed from record_asm_reg_life.
8049 Return false if the asm doesn't use stack regs. Don't do life
8050 analysis on the asm.
8051 (emit_pop_insn): Replace function pointer arg `when' with
8052 enum `where'. Update all callers.
8053 (change_stack): Likewise. Update basic block end.
8054 (emit_swap_insn): Use current_block->head to limit reverse search
8055 for start of block. Use emit_block_insn_after.
8056 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
8057 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
8058 structure assignment instead of bcopy.
8060 (convert_regs_entry, convert_regs_exit): New.
8061 (convert_regs_1, convert_regs_2): Split out from convert_regs.
8062 Work on basic blocks and the CFG.
8063 (convert_regs): Use them.
8065 * i386.c (output_fix_trunc): Remove code for DImode input operand
8066 not at top-of-stack.
8067 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
8069 (fix_truncdi_1): Allow any mode scratch.
8071 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
8073 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
8074 * linux.h, netbsd.h, vms.h: Not here.
8076 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
8078 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
8079 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
8080 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
8081 CONDITIONAL_REGISTER_USEAGE): Use them.
8082 * config/mips/mips.c (mips_move_1word,mips_move_2words,
8083 gen_conditional_branch,override_options) : Use them.
8084 * config/mips/mips.md : Use them.
8086 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
8088 * i386.md (zero_extendqihi2): Use SImode register name with andl.
8090 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
8092 * integrate.c (function_cannot_inline_p): Don't allow inlining
8095 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8097 * c-parse.in (cast_expr): Constify.
8099 * cccp.c (special_symbol): Likewise.
8101 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
8103 * dwarf2out.c (base_type_die): Likewise.
8105 * global.c (allocno_compare): Likewise.
8107 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
8109 * regclass.c (fix_register): Likewise.
8111 * rtl.h (fix_register): Likewise.
8113 * stupid.c (stupid_reg_compare): Likewise.
8115 * toplev.c (decode_f_option): Likewise.
8117 * tree.c (build_complex_type): Likewise.
8119 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
8121 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
8123 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8125 * reload.c (find_reloads): Compute mode and nregs fields of all
8127 * reload1.c (calculate_needs_all_insns): Simplify a bit.
8128 (calculate_needs): Use precomputed mode/nregs values.
8129 (allocate_reload_reg): Likewise.
8131 (failed_reload, set_reload_reg): ... new functions.
8132 (choose_reload_regs_init): New function, mostly broken out from...
8133 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
8134 Also lose one #if 0 block.
8136 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
8138 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
8141 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
8143 * tree.h (BLOCK_TYPE_TAGS): Remove.
8144 (BLOCK_END_NOTE): Likewise.
8145 (BLOCK_LIVE_RANGE_FLAG): Likewise.
8146 (BLOCK_LIVE_RANGE_START): Likewise.
8147 (BLOCK_LIVE_RANGE_END): Likewise.
8148 (tree_block): Remove live_range_flag, live_range_var_flag, and
8149 type_tags. Remove end_note, live_range_start, and live_range_end.
8150 (remember_end_note): Remove prototype.
8151 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
8152 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
8154 * ggc-common.c (ggc_mark_tree_children): Don't mark
8155 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
8156 * integrate.c (adjust_copied_decl_tree): Remove.
8157 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
8158 * stmt.c (last_block_end_note): Remove.
8159 (init_stmt): Don't add a GC root for it.
8160 (expand_fixup): Don't set it.
8161 (remember_end_note): Remove.
8162 (expand_end_bindings): Don't set last_block_end_note.
8164 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8166 * reload1.c (reload_reg_free_for_value_p): Show
8167 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
8170 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
8172 * expmed.c (extract_bit_field): Allow for the case of non-integer
8173 objects that are smaller than a word (like SFmode on a 64-bit
8176 * loop.c (basic_induction_var): A non-integer variable which is
8177 being set by a paradoxical subreg is probably not a biv.
8179 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8181 * prefix.c (translate_name) Check for empty prefix string.
8183 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
8185 * Makefile.in (CPP_CROSS_NAME): New variable.
8186 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
8188 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
8189 names of the files to be uninstalled.
8191 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
8193 * collect2.c (IS_DIR_SEPARATOR): Define.
8194 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
8196 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
8199 * haifa-sched.c (add_dependence): Update the true dependency
8200 cache the first time we add a true dependence to the LOG_LINKS chain.
8202 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
8204 * fold-const.c (fold): Fix comment.
8206 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8208 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
8209 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
8210 dbxout_start_new_source_file, dbxout_source_file,
8211 dbxout_source_line, dbxout_finish, dbxout_type_fields,
8212 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
8214 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
8215 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
8216 (dbxout_block): Initialize variable `blocknum'.
8218 * dbxout.h (dbxout_init, dbxout_finish,
8219 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
8220 dbxout_args, dbxout_source_line): Constify a char*.
8222 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
8223 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
8224 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
8225 low_pc_attribute, high_pc_attribute, body_begin_attribute,
8226 body_end_attribute, comp_dir_attribute, sf_names_attribute,
8227 src_info_attribute, mac_info_attribute, producer_attribute,
8228 lookup_filename, generate_macinfo_entry, fundamental_type_code,
8229 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
8230 dwarfout_undef): Constify a char*.
8231 (add_incomplete_type, retry_incomplete_types): Add prototypes.
8233 * dwarfout.h (dwarfout_define, dwarfout_undef,
8234 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
8236 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
8238 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
8239 (MULTILIB_ISA_DEFAULT): New.
8240 (MULTILIB_DEFAULTS): Use it.
8241 * config/mips/mips.c (): Remove the now unnecessary definition
8242 of MIPS_ISA_DEFAULT.
8243 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
8244 unnecessary definition.
8246 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
8248 * arm.md (pic_load_addr): Add constraints to operand 1.
8250 1999-10-25 Bruce Korb <autogen@linuxbox.com>
8252 * fixinc/genfixes: Provide a means for specifying -D options to
8255 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
8257 * arm.c (arm_override_options): Correct initialization of
8258 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
8259 arm_is_strong, and arm_is_6_or_7.
8261 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
8262 (note_set_pseudo_multiple_uses): New function.
8263 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
8264 if a pseudo set in the loop exit is used elsewhere.
8266 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
8268 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
8270 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
8272 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
8273 a single load-address pattern.
8275 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
8277 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
8278 depending on whether or not line-number notes are present.
8280 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8282 * cccp.c (progname, file_buf, default_include, include_file,
8283 macrodef, definition, hashval, wchar_type, user_label_prefix,
8284 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
8285 expand_to_temp_buffer, is_system_include, base_name,
8286 absolute_filename, read_name_map, open_include_file,
8287 record_control_macro, check_precompiled, check_preconditions,
8288 pcfinclude, pass_thru_directive, create_definition,
8289 check_macro_name, comp_def_part, collect_expansion,
8290 check_assertion, read_token_list, assertion_install,
8291 assertion_lookup, eval_if_expression, conditional_skip,
8292 validate_else, skip_quoted_string, quote_string, macarg1,
8293 error_from_errno, install, lookup, hashf, dump_defn_1,
8294 perror_with_name, pfatal_with_name, main, trigraph_pcp,
8295 check_white_space, rescan, handle_directive, monthnames,
8296 special_symbol, do_include, remap_include_file, write_output,
8297 arglist, do_assert, do_unassert, do_line, do_error, do_once,
8298 do_ident, do_sccs, do_xifdef, skip_if_group,
8299 output_line_directive, macroexpand, macarg, change_newlines,
8300 initialize_builtins, make_definition): Constify a char*.
8302 * pcp.h (stringdef): Likewise.
8304 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
8306 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
8309 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
8310 Richard Henderson <rth@cygnus.com>
8312 * alias.c: Include ggc.h.
8313 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
8314 (record_set): Verify enough room in reg_base_value.
8315 (init_alias_analysis): Allocate reg_base_value with xcalloc.
8316 Register it as a GC root.
8317 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
8318 * Makefile.in (alias.o): Depend on ggc.h.
8320 * unroll.c (unroll_loop): Verify the insn before a barrier
8321 is a JUMP_INSN before checking JUMP_LABEL.
8323 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8325 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
8326 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
8327 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
8328 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
8329 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
8330 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
8332 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8334 * output.h (ctors_section, dtors_section, bss_section): Prototype.
8336 * alpha/alpha-interix.h (text_section): Delete prototype.
8337 * alpha/elf.h (text_section): Likewise.
8338 * arm/linux-elf.h (text_section): Likewise.
8339 * arm/linux-telf.h (text_section): Likewise.
8340 * c4x/c4x.h (text_section): Likewise.
8341 * dsp16xx/dsp16xx.h (bss_section): Likewise.
8342 * elfos.h (text_section): Likewise.
8343 * i386/aix386ng.h (text_section): Likewise.
8344 * i386/i386-interix.h (text_section): Likewise.
8345 * i386/sco5.h (text_section): Likewise.
8346 * i386/svr3gas.h (text_section): Likewise.
8347 * nextstep.h (text_section): Likewise.
8348 * psos.h (text_section): Likewise.
8349 * ptx4.h (text_section): Likewise.
8350 * svr3.h (text_section): Likewise.
8351 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
8353 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8355 * final.c (peephole): Delete prototype.
8357 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
8358 (pre_insert_copies): Remove unused variable `bb'.
8360 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
8363 * output.h (peephole): Add prototype.
8365 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
8367 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
8370 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
8372 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
8373 for inlined declarations.
8375 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
8377 * arm.c (logical_binary_operator): New fucntion.
8378 * arm.h (logical_binary_operator): Declare it.
8379 (PREDICATE_CODES): Handle logical_binary_operator.
8380 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
8381 output constraints. Add appropriate splitters.
8382 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
8383 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
8384 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
8386 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8388 * genoutput.c (struct operand_data): New elt eliminable.
8389 (output_operand_data): Write it.
8390 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
8391 (compare_operands): Take it into account.
8392 * recog.h (struct insn_operand_data): New elt eliminable.
8393 * reload1.c (check_eliminable_occurrences, elimination_effects): New
8395 (old_asm_operands_vec, new_asm_operands_vec): Delete.
8396 (eliminate_regs): Move code that detects changes to elimination
8397 target regs into new function elimination_effects.
8398 Delete one #if 0 block.
8399 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
8400 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
8401 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
8402 Only call eliminate_regs for real operands of the insn, not for parts
8403 of its structure or parts matched by things like match_operator.
8404 Use elimination_effects and check_eliminable_occurrences. Use
8405 copy_insn to duplicate the pattern when not in the final pass.
8407 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
8409 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
8412 1999-10-22 Bruce Korb <autogen@linuxbox.com>
8414 * fixinc/README: document the "mach" machine matching test
8415 * fixinc/fixfixes.c: Implement the #else/#endif label fix
8416 * fixinc/fixtests.c: Implement the #else/#endif label test
8417 * fixinc/inclhack.def: utilize these tests and fixes
8418 * fixinc/inclhack.sh: regen
8419 * fixinc/fixincl.x: regen
8420 * fixinc/fixincl.sh: regen
8422 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
8424 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
8427 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
8429 * gcc.1: Document exit codes.
8431 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8433 * calls.c: Include tm_p.h later, so everything we need is defined.
8435 * function.c: Likewise.
8437 * except.c: Include tm_p.h.
8439 * sparc.c: Likewise.
8440 (dwarf2out_cfi_label): Don't prototype.
8441 (check_return_regs, epilogue_renumber,
8442 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
8443 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
8444 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
8445 ultra_schedule_insn): Add static prototype.
8446 (data_segment_operand, text_segment_operand): Call itself with the
8447 proper number of arguments.
8448 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
8450 * sparc.h: Move all declarations to sparc-protos.h.
8451 (SELECT_RTX_SECTION): Pass a missing MODE argument to
8454 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
8456 * config/svr4.h (text_section, ctors_section, dtors_section): Add
8458 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
8459 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
8460 ASM_OUTPUT_ASCII): Constify a char*.
8462 * sparc-protos.h: New file for sparc prototypes.
8464 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8466 * function.c (record_insns, contains): Always declare and define.
8467 (record_insns): Mark with ATTRIBUTE_UNUSED.
8469 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
8471 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
8472 to .section when outputting a .bss section to deal with multiple
8473 .bss input sections (as happens with -fdata-sections)
8474 Also output %progbits, not @progbits so the assembler doesn't treat as
8476 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
8478 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
8479 thumb parts even when building with non-thumb CPUs, by forcing
8482 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
8484 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
8485 (movdf_const_intreg_sp64): Similarly.
8487 * local-alloc.c (update_equiv_regs): Check the correct insn
8488 for pre-existing REG_EQUIV notes.
8490 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
8492 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
8493 block reached by a branch if we're not going to actually process
8496 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
8498 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
8499 a local extern function declaration.
8501 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
8503 * i386.c (ix86_expand_prologue): Properly wrap USE around
8504 reg for CALL_INSN_FUNCTION_USAGE.
8506 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
8508 * config/mips/mips.md (movdf_internal1a): Allow floating-point
8509 move between GP_REGs.
8511 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
8513 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
8514 the mode size when finding out if an offset is legal.
8516 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
8518 * basic-block.h (PROP_*): Move constants from ...
8520 (compute_bb_for_insn): Free the array before reallocating.
8521 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
8522 (allocate_reg_life_data): Reset all reg variables collected by
8524 (get_block_head_tail): Don't convert from bb to block.
8525 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
8526 (find_insn_reg_weight): Take block not bb.
8527 (schedule_block): Don't set block num for moved insns.
8528 (schedule_region): Don't update_life_info or find_insn_reg_weight.
8529 (schedule_insns): Do it here instead.
8530 * combine.c (combine_instructions): Invoke compute_bb_for_insn
8531 before update_life_info.
8532 * recog.c (split_all_insns, peephole2_optimize): Update for
8533 new arg to update_life_info.
8534 * rtlanal.c (remove_note): Cope with NULL note.
8535 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
8538 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
8540 * jump.c (jump_optimize_1): More accurately detect casesi insns.
8542 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
8543 block records so that merge_blocks_nomove will clean up correctly.
8544 (split_edge): Handle casesi insns.
8546 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
8548 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
8550 * pa.md (call, call_value): Do not emit a blockage after restoring
8553 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
8555 * c-typeck.c (c_expand_asm_operands): Fix typo.
8557 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8559 * arm.c (fpu_rhs_operand): Verify modes.
8560 (fpu_add_operand): Likewise.
8561 (di_operand): Likewise.
8562 (soft_df_operand): Likewise.
8564 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
8566 * arm.c (arm_return_in_memory): APCS rules state that the elements
8567 of a structure returned in a register must be 'integer-like'.
8569 1999-10-19 Bruce Korb <autogen@linuxbox.com>
8571 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
8572 in the source tree when the generated targets are out of date
8573 * fixinc/genfixes: Alter it to run individual fixes for make.
8574 * fixinc/README: rewrite
8575 * fixinc/inclhack.def: moved initial comments to README
8577 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
8579 * toplev.c (main): Do not generate an error message if an
8580 unrecognised command line switch is recognisable by another
8581 language. If extra_warnings are enabled, then generate a
8582 warning message instead.
8584 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
8586 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
8587 (insert_pack_attributes): Delete prototype.
8589 * c-pragma.c (default_alignment): New static variable.
8590 (push_alignment): Initialize to current effective alignment.
8591 (pop_alignment): Use to set new alignment.
8592 (insert_pack_attributes): Delete function.
8593 (handle_pragma_token): Set default_alignment as well each time
8594 a #pragma pack(<n>) is encountered.
8596 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
8598 * reg-stack.c (stack_result): Aggregates are not returned in
8601 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8603 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
8605 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
8607 * basic-block.h (set_block_num): Declare.
8608 * flow.c (update_life_info): Don't call compute_bb_for_insn
8609 or free_basic_block_vars.
8610 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
8611 (insn_orig_block): Remove.
8612 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
8613 (schedule_block): Keep BLOCK_NUM up-to-date.
8614 (schedule_insns): Use compute_bb_for_insn.
8615 * recog.c (split_all_insns): Likewise.
8616 (peephole2_optimize): Likewise.
8618 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
8620 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
8621 if the pic register is used.
8623 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8625 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
8626 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
8627 if that tests TREE_PERMANENT.
8629 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
8631 * cse.c (invalidate_for_call): Do not remove memory references from
8632 the table here. It's handled elsewhere.
8634 * haifa-sched.c (add_dependence): Protect references to the
8635 true dependency cache with #ifdef INSN_SCHEDULING.
8636 (remove_dependence): Similarly.
8638 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
8639 to the cfg code that this is a return instruction.
8640 * mn10300.md (return_internal): Similarly.
8642 * combine.c (get_last_value): If the last set of a register
8643 is after subst_low_cuid, then we can not use it to determine
8644 the register's last value.
8646 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8648 * Makefile.in: Back out previous change.
8650 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
8652 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
8654 * haifa-sched.c (add_dependence): Only check/update the cache
8656 (remove_dependence): Likewise.
8657 (schedule_insns): Only create the true_dependency_cache if the
8658 average number of instructions in a basic block is very large.
8660 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8662 * Makefile.in (ggc-common.o): Depend on genrtl.h.
8663 (ggc-simple.o): Likewise.
8664 (ggc-page.o): Likewise.
8666 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
8668 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
8669 Prototype for exported functions.
8670 (pre_lcm, pre_rev_lcm): Remove prototypes.
8671 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
8672 (compute_available): Move to lcm.c, and change parameter order.
8673 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
8674 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
8675 (gcse_main): No longer call compute_preds_succs. Rebuild the
8676 set table after reach pre pass.
8677 (pre_insert_map, pre_delete_map, edge_list): New.
8678 (alloc_pre_mem): Allocate edge vectors.
8679 (free_pre_mem): Delete edge vectors.
8680 (compute_pre_data): Call new edge based lcm routines.
8681 (process_insert_insn): New function.
8682 (insert_insn_end_bb): Use it.
8683 (pre_edge_insert): New function.
8684 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
8686 (pre_insert_copies): Revamp using new edge based lcm outputs.
8687 (pre_delete): Likewise.
8688 (one_pre_gcse_pass): Insert & remove fake edges to the exit
8690 (compute_code_hoist_vbeinout): New new edge based routines.
8691 * lcm.c: Remove all the old LCM functions. Replace with new ones
8692 that work with the new cfg datastructures and work with edges
8695 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8697 * reload.h (struct reload): Add new fields "mode" and "nregs".
8698 * reload1.c: Change all occurrences of reload_mode and reload_nregs
8699 to reference the "mode" and "nregs" field within struct reload.
8701 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
8703 * haifa-sched.c (true_dependency_cache): New.
8704 (add_dependence): Use the true dependency cache to avoid expensive
8705 walks down the LOG_LINKS dependency list. Add entries to the
8707 (remove_dependence): Remove entries from the true dependency cache
8709 (schedule_insns): Allocate and initialize and free the true
8712 * haifa-sched.c (schedule_insns): Do not remove inter-block
8713 dependencies anymore.
8715 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
8717 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
8718 * i386/t-winnt: Likewise.
8720 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
8722 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
8724 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
8726 * Makefile.in (LANGUAGES): Omit "proto".
8727 (clean): Remove stale comment about removing unprotoize.c.
8729 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8731 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
8732 using arithmetic on void pointers.
8734 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
8736 * haifa-sched.c (compute_block_forward_dependencies): Only check
8737 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
8739 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
8741 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
8742 (expr_equiv_p): Reject memories with different alias sets.
8744 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
8746 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
8747 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
8748 (f_options): Add "bounded-pointers" and "bounds-check" entries.
8749 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
8750 (lang_init): Set default for flag_bounds_check if still "unspecified".
8752 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8754 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
8756 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8758 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
8761 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8763 * config/c4x/c4x.md (*db_noclobber,
8764 *decrement_and_branch_until_zero_noclobber): New patterns and
8765 associated splitters.
8767 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8769 * config/c4x/c4x.md (parallel instruction patterns): Rework
8770 constraints to keep reload happy.
8772 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8774 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
8775 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
8776 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
8777 Add new patterns and associated post-reload splitters.
8779 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8781 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
8783 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8785 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
8787 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
8789 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8791 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
8794 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
8796 * pa.c (move_operand): Rely on memory_address_p to determine the
8797 validity of non-indexed memory addresses.
8798 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
8799 operand in DFmode and SFmode when generating PA2.0 code.
8801 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
8803 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
8805 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
8807 * mips.c (function_prologue): Fix argument types.
8808 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
8809 (casesi_internal): Write to the scratch register.
8811 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
8813 * cppexp.c (cpp_parse_escape): Make static. Change second arg
8815 (parse_charconst): Delete unnecessary cast when calling
8817 (cpplib.h): Kill prototype of cpp_parse_escape.
8819 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
8821 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
8822 * unroll.c (unroll_loop): Cast return value of alloca.
8823 * i370/i370.c: Include function.h and toplev.h.
8824 (i370_label_scan): Remove c++ commented abort.
8825 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
8826 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
8827 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
8828 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
8830 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
8832 * config/t-freebsd: Do not override USER_H.
8833 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
8835 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
8836 Mumit Khan <khan@xraylith.wisc.edu>
8838 * c-parse.in (component_decl): Support anonymous struct/union.
8840 * c-parse.y: Regenerate.
8841 * c-parse.c: Likewise.
8842 * objc/objc-parse.y: Likewise.
8843 * objc/objc-parse.c: Likewise.
8844 * c-decl.c (finish_struct): Don't sort the fields.
8845 (field_decl_cmp): Delete unused function.
8847 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
8849 * sparc.md (movsf_const_intreg): Revert last constraint change.
8850 (movdf_const_intreg_sp32): Likewise.
8852 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
8854 * cse.c: Include hashtab.h instead of splay-tree.h
8855 (struct cse_reg_info): No longer use variant union. Add new
8856 field "regno". All references changed to avoid union.
8857 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
8858 (free_cse_reg_info): Remove.
8859 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
8860 (get_cse_reg_info): Revamp to use expandable hash tables instead
8861 of splay trees. Initialize new fields in cse_reg_info structure.
8862 (new_basic_block): Similarly.
8864 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
8866 * genrecog.c (message_with_line): Prototype.
8867 (validate_pattern): Pass along the set for the dest, not a flag.
8868 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
8869 Check for PC/CC0 as sources.
8870 (nodes_identical): Check for children position match before
8871 allowing the combination.
8873 * rtl.c (read_rtx): Track line number across \\\n.
8875 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
8877 * mips.h (SPECIAL_MODE_PREDICATES): New.
8878 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
8879 (movdi+1, movsi+1): Add output reload constraint.
8880 (casesi_internal): Likewise. Fix commentary.
8881 (return_internal): Use pmode_register_operand.
8883 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
8885 * 1750a.md (movstrqi): Add missing output reload constraint.
8886 (call_value): Likewise.
8887 * a29k.md (cpxxx patterns): Add missing match_operator mode.
8888 (jmpfdec): Add missing inout reload constraint.
8889 * elxsi.md (addsi patterns): Add missing output reload constraint.
8890 (move from sp): Use @ alternates.
8891 (call_value): No constraint on output.
8892 * fr30.md (movsi_pop): Add missing output reload constraint.
8893 (movsf_constant_store): Likewise.
8894 (splits): Remove constraints.
8895 (subsi3): Add missing mode.
8896 * i370.md (cmpstrsi+1): Add missing output reload constraint.
8897 (call_value): Likewise.
8898 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
8899 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
8900 * m32r.md (movsicc_internal): Add output reload constraint.
8901 (movstrsi_internal): Add inout reload constraints.
8902 * m88k.h (reg_names): Don't declare.
8903 (SPECIAL_MODE_PREDICATES): New.
8904 * m88k.md (*): Use register_operand not reg_or_0_operand
8906 * mn10200.h (PREDICATE_CODES): New.
8907 * ns32k.md (ffs pattern): Add output reload constraint.
8908 * pdp11.md (sob pattern): Add inout reload constraint.
8909 * sh.md (splits): Remove constraints.
8910 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
8911 * v850.md (pattern_is_ok_for_epilogue): Likewise.
8912 * vax.md (jgequ pattern): Add inout reload constraint.
8914 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
8916 * configure.in (djgpp): Revert previous patch.
8917 * configure: Rebuit.
8918 * config/i386/djgpp.h: Revert previous patch.
8920 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
8922 * fixinc/inclhack.def: Restore patch lost during last merge of
8923 "no_bogosity" branch.
8924 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
8926 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
8928 * fixincludes: Add a HPUX 11 fix for inttypes.h.
8929 * fixinc/inclhack.def: Same.
8930 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
8932 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
8934 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
8935 as the base of a PLUS.
8937 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8939 * config/c4x/c4x.md: Define mode for remaining unspec operators.
8940 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
8942 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
8944 * pa.md (post_stw+1): Use pmode_register_operand.
8945 (dcacheflush, icacheflush): Likewise.
8947 * i386.md (movstricthi_1): Allow r/r.
8949 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
8951 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
8952 to (not (and (arg0) (arg1))). Similary for and.
8954 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
8955 fallthrough to associate code.
8956 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
8959 * combine.c (simplify_logical): Convert XOR to IOR if operands have
8960 no bits in common; remove XOR to ROTATE conversion.
8962 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8964 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
8966 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8968 * config/c4x/c4x.c (dst_operand): New.
8969 (PREDICATE_CODES): Update.
8970 * config/c4x/c4x.h (dst_operand): Declare it.
8971 * config/c4x/c4x.md: Define mode for each unspec usage.
8972 (move patterns): Use dst_operand predicate instead of src_operand.
8973 (movqi_update, movqf_update): Delete.
8975 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
8977 * recog.c (pmode_register_operand): New.
8978 * recog.h: Declare it.
8979 * genrecog.c (pred_codes): Likewise.
8980 (special_mode_pred_table): Likewise.
8981 (validate_pattern): Don't warn no mode for address_operand.
8983 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
8984 if the operand is not insn-like.
8986 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
8987 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
8989 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
8991 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
8993 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
8994 instead of general_operand in a SET_DEST. Use const_double_operand
8995 instead of an explicit test against CONST_DOUBLE.
8996 (movsf_const_lo): Add missing register mode.
8997 (goto_handler_and_restore): Add auxiliary test for Pmode.
8998 (flush): Adjust to use address_operand.
8999 (return_sf_no_fpu): Add missing output constraint.
9001 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
9003 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
9004 for call return value.
9005 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
9007 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
9009 * toplev.c (main): Only warn about options for other languages.
9010 * collect2.c (main): Pass -w to sub-gcc.
9012 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
9014 * flow.c (propagate_block): Add call-clobbered registers to
9017 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
9018 zapping mem_set_list.
9019 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
9020 (mark_set_1, mark_used_regs): Likewise.
9022 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
9024 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
9026 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9028 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
9029 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
9030 options. Also add a new item "C-only Warning Options" to the
9033 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
9035 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
9036 from multiple calls.
9038 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
9040 * i386.md (call value patterns): Move to the end of the file.
9041 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
9043 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
9045 * configure.in (djgpp configuration): Define extra_objects..
9046 * configure: Rebuilt.
9047 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
9048 (DTORS_SECTION_ASM_OP): Define.
9049 (INIT_SECTION_ASM_OP): Define.
9050 (FINI_SECTION_ASM_OP): Define.
9051 (DATA_SECTION_ASM_OP): Define.
9052 (TEXT_SECTION_ASM_OP): Define.
9053 (EH_FRAME_SECTION_ASM_OP): Define.
9054 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
9055 (STARTFILE_SPEC): Add crtbegin.o.
9056 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
9057 to here from LINK_COMMAND_SPEC.
9058 (DO_GLOBAL_CTORS_BODY): Define.
9059 (CRTSTUFF_USE_FINI_SECTION): Define
9060 (HAS_INIT_SECTION): Delete.
9062 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
9064 * Makefile.in (all.cross): Depend on xcpp$(exeext).
9066 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
9068 * pa.h (PREDICATE_CODES): New.
9070 * genrecog.c (validate_pattern): Condense the destination
9073 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
9075 * alpha.md (call-1): Supply missing mode for operator.
9076 (*): Add missing output reload constraints. Remove constraints
9079 * i386.h (SPECIAL_MODE_PREDICATES): New.
9080 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
9081 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
9082 (addsi_lea_3): Add missing mode for op 3.
9083 (prologue_set_got, prologue_get_pc): Add missing modes.
9084 (*) Add missing output reload constraints.
9086 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
9088 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
9089 check for member bit-size overflow and use var_size if it occurs.
9090 (layout_record): Use bitsize_int() to define the type size in bits.
9091 Likewise for computation and assignment to DECL_FIELD_BITPOS.
9092 (layout_decl): Likewise when assigning to DECL_SIZE.
9094 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
9096 * genrecog.c (validate_pattern): Typo last change. Verify
9097 that output operands have output reloads.
9099 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
9101 * genrecog.c (special_mode_pred_table): New.
9102 (NUM_SPECIAL_MODE_PREDS): New.
9103 (find_operand): New.
9104 (validate_pattern): New argument `insn'. Warn for assignment to
9105 any predicate accepting non-lvalues. Conditionaly warn for
9106 match_operand without a mode. Try much harder to match source
9107 and destination modes on a set.
9108 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
9110 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
9112 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
9114 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
9116 * combine.c (simplify_logical): Recognize xor pattern that encodes
9119 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9121 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
9124 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
9126 * ggc-page.c (MAP_FAILED): Provide default.
9128 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
9130 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
9131 * sparc.h (PREDICATE_CODES): Update.
9133 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
9135 * alpha.c (some_ni_operand): New.
9136 * alpha-protos.h: Declare it.
9137 * alpha.h (PREDICATE_CODES): Update.
9138 * alpha.md (sXaddq reload insns): Use some_ni_operand
9139 for SET_DEST instead of some_operand.
9141 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
9142 Jim Wilson <wilson@cygnus.com>
9144 * genrecog.c (maybe_both_true_2): Don't compare modes of
9146 (process_tree): Elide peephole2_insns. Invoke simplify_tests
9147 after find_afterward.
9148 (debug_decision_1): Dump next and afterward codes.
9150 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
9152 * rtl.c (dump_and_abort): Remove.
9153 (fatal_with_file_and_line): New.
9154 (fatal_expected_char): New.
9155 (read_rtx_lineno, read_rtx_filename): New.
9156 (read_skip_spaces): Track line number.
9157 (read_name): Use fatal_with_file_and_line.
9158 (read_rtx): Use fatal_expected_char. Track line number.
9159 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
9161 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
9162 if it isn't a CODE_LABEL.
9164 * genattr.c (main): Set read_rtx_filename.
9165 * genattrtab.c (main): Likewise.
9166 * gencodes.c (main): Likewise.
9167 * genconfig.c (main): Likewise.
9168 * genemit.c (main): Likewise.
9169 * genextract.c (main): Likewise.
9170 * genflags.c (main): Likewise.
9171 * genopinit.c (main): Likewise.
9172 * genoutput.c (main): Likewise.
9173 * genpeep.c (main): Likewise.
9175 * genrecog.c (decision_test.u.insn): Add `lineno'.
9176 (pattern_lineno, error_count): New variables.
9177 (message_with_line): New.
9178 (add_to_sequence): Break out checking code to ...
9179 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
9180 (merge_insn): Use message_with_line.
9181 (make_insn_sequence): Use validate_pattern. Record insn lineno.
9182 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
9184 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9186 * expr.c (store_constructor): Clear union if constructor is empty.
9188 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
9190 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
9191 Add !endian checks. Change %{...} to %(...).
9193 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
9195 * i386.md (*addsi3_cc): Renamed from addcsi3.
9196 (*addsi3_carry): Renamed from addxsi3.
9197 (*subsi3_cc): Renamed from subcsi3.
9198 (*subsi3_carry): Renamed from subxsi3.
9199 (*xorqi_cc_1): Renamed from xorcqi_1.
9200 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
9201 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
9203 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
9205 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
9206 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
9208 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
9210 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
9211 climb up the chain of insns.
9213 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
9215 * genrecog.c (write_subroutine): Careful for null trees.
9216 (process_tree): Don't elide empty functions.
9218 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
9220 * Makefile.in (genrtl.o): Depend on ggc.h.
9221 * configure.in (valloc): Probe for it.
9222 (with-gc): Use ggc-page if valloc present.
9223 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
9224 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
9225 (ggc_alloc_string): Moved from ggc-page.c.
9226 * ggc-none.c (ggc_alloc_obj): New.
9227 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
9228 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
9229 (struct globals): Likewise for dev_zero_fd.
9230 (init_ggc): Likewise for it's initialization.
9231 (ggc_allocated_p): Move careful dereference from ...
9232 (ggc_lookup_page_table): ... here. Delete.
9233 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
9234 (alloc_anon): Use valloc if no mmap.
9235 (release_pages): Use free if using valloc.
9236 (ggc_alloc_obj): Renamed from alloc_obj.
9237 (ggc_set_mark): Renamed from mark_obj.
9238 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
9239 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
9240 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
9241 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
9242 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
9243 (ggc_collect): Use fp printing instead of our own rounding.
9244 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
9245 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
9246 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
9247 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
9248 (struct ggc_string, struct ggc_any): Delete.
9249 (offsetof): Provide default definition.
9250 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
9252 (struct ggc_mem): New, from corpse of ggc_any.
9253 (struct ggc_status): Delete.
9254 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
9255 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
9256 (n_strings_collected, n_anys_collected): Delete.
9257 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
9258 (ggc_alloc_string, ggc_alloc): Delete.
9259 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
9260 (ggc_free_string, ggc_free_any): Delete.
9261 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
9262 (ggc_compare_addresses, ggc_mark_string): Delete.
9263 (ggc_mark_string_if_gcable, ggc_mark): Delete.
9264 (search_data): Delete.
9265 (struct globals): New.
9266 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
9267 (tree_insert, tree_lookup): New.
9268 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
9269 (clear_marks, sweep_objs): New.
9270 (ggc_collect): Gut. Use clear_marks, sweep_objs.
9271 (init_ggc): Set allocated_last_gc.
9272 (ggc_push_context): Gut. Use G.context.
9273 (ggc_pop_context): Likewise.
9274 (ggc_pop_context_1): New.
9275 (debug_ggc_tree): New.
9276 (debug_ggc_balance, tally_leaves): New.
9277 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
9278 (ggc_mark_string_if_gcable): Remove decl.
9279 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
9280 (ggc_mark_rtvec_children): New.
9281 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
9282 (ggc_mark_if_gcable): New decl.
9283 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
9284 (ggc_alloc_tree, ggc_alloc): Likewise.
9285 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
9286 (ggc_alloc_obj): New decl.
9287 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
9288 (ggc_alloc_tree, ggc_alloc): Likewise.
9289 (ggc_set_mark): New decl.
9290 * rtl.h (struct rtx_def): Remove gc_mark.
9291 (struct rtvec_def): Likewise.
9292 * tree.h (struct tree_common): Likewise.
9294 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
9296 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
9297 float_format and thread_file definitions.
9298 * configure: Rebuilt.
9300 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
9302 * extend.texi (Function Names): Document types of function names.
9304 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9306 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
9307 an earlyclobbered output conflict with RELOAD_INPUT reloads.
9309 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9311 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
9313 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9315 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
9317 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
9319 * collect2.c (main): Do prelimnary link on AIX if rflag.
9321 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9323 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
9324 __CTOR_LIST__ in opposite order, which is the correct order for sorted
9326 (__do_global_dtors): similarly for __DTOR_LIST__.
9328 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9329 Diego Novillo <dnovillo@cygnus.com>
9331 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
9334 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
9336 * fixincl/*: Merged "no_bogosity" branch
9337 * fixincl/fixlib.h: protect against doubly defining t_bool
9338 * fixincl/server.h: protect against doubly defining t_bool
9340 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
9342 * genoutput.c: Include toplev.h.
9344 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
9346 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
9348 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
9349 * configure: Regenerate.
9351 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
9353 * gcse.c (delete_null_pointer_checks): Returns void.
9355 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9357 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
9358 * emit-rtl.c (copy_insn_1): Likewise.
9360 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
9362 * config/mips/mips.c (mips_build_va_list): Correct
9363 TREE_CHAIN setting when hard-float.
9364 (mips_va_start): Use corrected setting.
9365 (mips_va_arg): Likewise. Also pass a tree to build of
9366 POSTINCREMENT_EXPR rather than a naked 'int'.
9368 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
9370 * ggc.h (ggc_push_context): Fix comment.
9371 (ggc_pop_context): Likewise.
9372 (mark_string_if_gcable): Likewise.
9373 * ggc-common.c (ggc_mark_rtx_children): Use
9374 ggc_mark_string_if_gcable.
9375 * ggc-page.c (ggc_lookup_page_table): New function.
9376 (ggc_allocated_p): Likewise.
9377 (mark_obj): Fix formatting.
9378 (ggc_mark_string_if_gcable): New function.
9379 * ggc-simple.c (ggc_allocated_strings): New variable.
9380 (ggc_strings_used): Likewise.
9381 (ggc_compare_addresses): New function.
9382 (ggc_pop_context): Pop the `any' memory too.
9383 (ggc_mark_string_if_gcable): New function.
9384 (ggc_collect): Initialize and tear down ggc_allocated_strings.
9386 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
9388 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
9389 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
9390 * rs6000.c (expand_block_move): Match movstrsi_?reg register
9393 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
9395 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
9396 (sched_reg_live_length, sched_reg_basic_block): Delete.
9397 (current_block_num, bb_live_regs, old_live_regs): Delete.
9398 (dead_notes, struct sometimes): Delete.
9399 (sched_note_set, birthing_insn_p): Delete.
9400 (adjust_priority): Gut useless reg lifetime code.
9401 (create_reg_dead_note, attach_deaths): Delete.
9402 (attach_deaths_insn, new_sometimes_live): Delete.
9403 (finish_sometimes_live): Delete.
9404 (find_pre_sched_live, find_post_sched_live): Delete.
9405 (update_reg_usage): Delete.
9406 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
9407 (schedule_insns): Delete reg lifetime code.
9408 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
9409 (unlink_other_notes): Adjust REG_NOTE commentary.
9410 (reemit_notes): Use REG_SAVE_NOTE.
9411 (schedule_block): Likewise.
9412 (schedule_region): Allocate bitmap of blocks in region. Use
9413 count_or_remove_death_notes. Use update_life_info.
9415 * rtl.h (REG_SAVE_NOTE): New.
9416 * rtl.c (reg_note_name): Update.
9418 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
9420 * combine.c (refresh_blocks, need_refresh): New.
9421 (combine_instructions): Allocate refresh_blocks. Invoke
9422 update_life_info if needed.
9423 (distribute_notes): Mark refresh_blocks instead of installing
9425 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
9426 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
9428 * Makefile.in (recog.o): Depend on basic-block.h.
9430 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
9432 * genrecog.c (add_to_sequence): Thinko last change: delete
9433 shadowing allow_const_int variable.
9435 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9437 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
9438 __GNUC__ and __GNUC_MINOR__.
9440 * gansidecl.h: Likewise.
9446 * toplev.h: Likewise.
9452 * varray.c: Likewise.
9454 * varray.h: Likewise.
9456 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9458 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
9459 use one before a jump table.
9461 * rtl.def (ADDRESS): Change documentation to match reality.
9462 * md.texi: Don't document it.
9463 * gmicro.md (load address pattern): Use 'p' constraint, delete use
9466 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
9468 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
9470 * genrecog.c (add_to_sequence): Move allow_const_int test outside
9471 known predicate block; default allow_const_int true.
9472 (debug_decision_list): New.
9474 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
9476 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
9478 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
9480 * gcse.c (gcse_main): Avoid global optimizations if we have a
9481 large number of basic blocks and the ratio of edges to blocks
9483 (delete_null_pointer_checks): Likewise.
9485 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
9487 * c-common.c (check_format_info): Warn if format string isn't a
9490 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9492 * configure.in (arm*-*-*): Don't let autoconf remove brackets
9493 * configure: regenerate
9495 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
9497 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
9498 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
9499 (peepholes): Re-enable.
9501 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
9503 * Makefile.in (flow.o): Depend on TREE_H.
9504 * basic-block.h (REG_SET_EQUAL_P): New.
9507 (free_regset_vector): Remove declaration.
9508 (flow_delete_insn_chain): Declare.
9509 (enum update_life_extent): New.
9510 (update_life_info, count_or_remove_death_notes): Declare.
9511 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
9512 Verify register live at bb->global_live_at_start before adding USE.
9513 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
9514 (CLEAN_ALLOCA): New.
9516 (PROP_*): New flags.
9517 (find_basic_blocks_1): Use alloc_EXPR_LIST.
9518 (clear_edges): Zero n_edges.
9519 (make_edge): Increment n_edges.
9520 (split_edge): Don't allocate bb->local_set. Increment n_edges.
9521 (flow_delete_insn_chain): Export.
9522 (delete_block): Decrement n_edges.
9523 (merge_blocks_nomove): Likewise.
9524 (life_analysis): Give life_analysis_1 PROP flags.
9525 (verify_wide_reg_1, verify_wide_reg): New.
9526 (verify_local_live_at_start): New.
9527 (update_life_info): Rewrite to call into propogate_block.
9529 (mark_regs_live_at_end): After reload, if epilogue as rtl,
9530 always mark stack pointer. Conditionally mark PIC register.
9531 After reload, mark call-saved registers, return regsiters.
9532 (life_analysis_1): Accept PROP flags not remove_dead_code.
9533 Call mark_regs_live_at_end before zeroing regs_ever_live.
9534 Use calculate_global_regs_live. Copy global_live_at_end before
9535 calling final propagate_block. Zero reg_next_use on exit.
9536 (calculate_global_regs_live): New.
9537 (allocate_bb_life_data): Don't allocate bb->local_set.
9538 (init_regset_vector, free_regset_vector): Remove.
9539 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
9540 Test flags before every operation. Warn if prologue/epilogue insn
9541 would have been deleted.
9542 (mark_set_regs, mark_set_1): Accept and use FLAGS.
9543 Use alloc_EXPR_LIST.
9544 (mark_used_regs): Accept and use FLAGS, not FINAL.
9545 Remove special handling for RETURN.
9546 (try_pre_increment): Use alloc_EXPR_LIST.
9547 (dump_flow_info): Dump n_edges.
9548 (unlink_insn_chain, split_hard_reg_notes): Remove.
9549 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
9550 (find_insn_with_note, new_insn_dead_notes): Remove.
9551 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
9552 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
9553 (replace_insns): Remove.
9554 (count_or_remove_death_notes): New.
9555 (verify_flow_info): Abort on error after all checks.
9556 (remove_edge): Decrement n_edges.
9557 (remove_fake_edges): Tweek format.
9558 * haifa-sched.c (schedule_insns): Use split_all_insns.
9559 * output.h (update_life_info): Remove declaration.
9560 * recog.c (split_all_insns): From the corpse of split_block_insns,
9561 do the whole function block by block. Use update_life_info.
9562 (recog_last_allowed_insn): New.
9563 (recog_next_insn): Mind it.
9564 (peephole2_optimize): Set it. Walk backwards through blocks.
9565 Use update_life_info.
9566 * rtl.h (update_flow_info, replace_insns): Remove declarations.
9567 (split_all_insns): Declare.
9568 * toplev.c (rest_of_compilation): Thread prologue before flow2.
9569 Use split_all_insns.
9571 * i386.md (or -1 peep2s): Disable.
9573 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
9575 * config/mips/mips.md (movstrsi+[123]) : Combine these into
9576 a single pattern. Scrap the 'd' versions as unnecessary.
9578 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
9579 tablejump_mips162,tablejump_internal4): The operands to a
9580 label_ref must be VOIDmode.
9582 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9584 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
9586 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9588 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
9590 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9592 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
9593 cache every function if ggc_p.
9595 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9597 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
9598 instead of copy_rtx. Accept sequences that contain asm statements.
9599 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
9600 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
9601 orig_asm_operands_vector, copy_asm_operands_vector,
9602 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
9604 * rtl.h (copy_insn, copy_insn_1): Declare.
9606 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9608 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
9610 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
9611 arguments to `current_file_function_operand'.
9613 * genrecog.c: Include hard-reg-set.h and resource.h in the
9614 generated output file.
9616 * real.c: Include tm_p.h.
9618 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9620 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
9623 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
9625 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
9626 before the fctiwz insn.
9628 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9629 Mark Mitchell <mark@codesourcery.com>
9631 * tree.c (make_lang_type_fn): New funtion pointer.
9632 (make_lang_type): Call it.
9633 * tree.h (make_lang_type): Declare.
9634 (make_lang_type_fn): Likewise.
9635 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
9637 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
9639 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
9640 make sure that HIGH instructions are copied into BASE_REGS.
9642 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
9644 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
9646 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
9648 * c-decl.c (finish_struct): Use simpler method of
9649 removing elements of a singly-linked list.
9651 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
9653 * alpha.md (peephole2's): Comment out peephole2's that generate
9656 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
9658 * genrecog.c (add_to_sequence): Disable mode check for
9661 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9663 * ggc-simple.c (init_ggc): Set empty_string.
9665 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
9667 * configure.in: Detect mmap. Add --with-gc=foo to select
9668 garbage collector; default to page if mmap available.
9669 * Makefile.in (GGC): Substitute.
9671 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
9673 * c-decl.c (ggc_p): Enable.
9675 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9677 * flow.c (verify_flow_info): Make it extern & unconditionally define.
9679 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
9681 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
9682 string for little-endian-data.
9684 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
9686 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
9687 case somebody tries to compile --enable-checking code with gcc
9690 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
9692 * genrecog.c (add_to_sequence): Verify operand to label_ref is
9695 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
9697 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
9698 * jump.c (jump_optimize_1): Document why.
9700 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9702 * collect2.c (scan_prog_file, scan_libraries): Prototype function
9703 pointers and casts for `int_handler' and `quit_handler'.
9705 * flow.c (verify_flow_info, split_hard_reg_notes,
9706 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
9707 remove_edge, remove_fake_successors): Add static prototypes.
9708 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
9709 (mark_set_1): Initialize variable `regno'.
9710 (unlink_insn_chain): Likewise for variable `curr'.
9711 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
9713 * loop.c (strength_reduce): Initialize variable
9714 `unrolled_insn_copies'.
9715 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
9716 prototypes. Change these functions to take const PTR parameters
9717 to avoid prototype conflict when used as the comparson argument
9719 (check_dbra_loop): Initialize variable `comparison_val'.
9721 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
9722 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
9723 (find_valid_class): Initialize variable `best_class'.
9724 (find_reloads): Call memcpy, not bcopy.
9726 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
9727 (hard_reg_use_compare): Don't needlessly cast away const.
9728 (reload_reg_class_lower): Likewise.
9729 (choose_reload_regs): Initialize variable `regno'.
9731 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
9733 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
9735 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
9737 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
9738 ({,d}discard): Add forward declarations. Declare parameter as
9740 (main_without_main): Explicitly declare return type to be int.
9741 (memcpy): Properly declare.
9743 * libgcc2.c (toplevel): If inhibit_libc is defined and not
9744 building the trampoline support, declare malloc, free, and
9746 (__clear_cache): Mark arguments as potentially unused.
9748 * frame.c (toplevel): If inhibit_libc is defined, declare
9751 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
9753 * flow.c (make_edge): Accept an optional 2D bitmap in which
9754 to cache edge existence. Update all callers.
9755 (make_label_edge, make_eh_edge): Pass through the edge cache.
9756 (make_edges): Provide the cache.
9758 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9760 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
9762 (local_mbtowc): Change the type of variable `i' from int to size_t.
9764 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
9765 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
9767 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
9769 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
9770 after other includes that define the appropriate types. Include
9771 tm_p.h for getting user prototypes.
9772 * ggc-callbacks.c (toplevel): Ditto.
9773 * ggc-none.c (toplevel): Ditto.
9774 * gcc-page.c (toplevel): Ditto.
9775 * ggc-simple.c (toplevel): Ditto.
9777 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
9778 Jonathan Larmour <jlarmour@cygnus.co.uk>
9780 * config/mips/mips.c (mips_move_2words): Split doubles if
9781 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
9783 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
9785 * genrecog.c (struct decision_test): New.
9786 (struct decision): Remove test-related members, sort the rest by size.
9787 (IS_SPLIT): Simplify.
9788 (new_decision, new_decision_test): New.
9789 (add_to_sequence): Use them. No special handling for args of
9791 (maybe_both_true): Renamed from not_both_true; return sense changed.
9792 (maybe_both_true_1, maybe_both_true_2): New. Broken out
9793 of maybe_both_true and adjusted for decision_test.
9794 (position_merit): Remove.
9795 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
9796 (merge_accept_insn): New, broken out of merge_trees.
9797 (merge_trees): Use them. No special case for c_test; no node
9798 splitting; use test type instead of position_merit.
9799 (factor_tests): New.
9800 (simplify_tests): New.
9801 (break_out_subroutines): Don't write code now.
9802 (find_afterward): New.
9803 (write_afterward, write_switch, write_cond): New.
9804 (write_action, is_unconditional): New.
9805 (write_node): New. Use them.
9806 (write_tree_1): Rewrite. Use the new functions above.
9807 (write_tree): Remove afterward processing.
9808 (write_subroutine): Simplify function variant emission.
9809 (write_subroutines): New.
9810 (same_codes, clear_codes): Remove.
9811 (same_modes, clear_modes): Remove.
9812 (write_header): New, broken out of main.
9813 (make_insn_sequence): Use new_decision and new_decision_test.
9814 (process_tree): New, broken out of main.
9815 (main): Adjust for merge_trees interface change.
9816 Don't #define operands in the output file.
9817 (record_insn_name): New, broken out of make_insn_sequence.
9818 (debug_decision_2, debug_decision_1, debug_decision_0): New.
9819 (debug_decision): New.
9821 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
9823 * resource.c (find_free_register): Mark class_str argument const.
9824 * resource.h: Update prototype to match.
9826 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
9827 * i386.md: Give all anonymous insns names.
9829 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
9831 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
9834 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
9836 * toplev.c (dbr_sched_time): Unconditional.
9837 (peephole2_time): New.
9838 (compile_file): Add pass numbers to all of the dump file suffixes.
9839 Dump peephole2_time. Don't dump times for non-applicable passes.
9840 (rest_of_compilation): Add pass numbers to dump file suffixes.
9841 Conditionalize calls to the scheduler.
9842 * invoke.texi: Update.
9844 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
9846 * flow.c (make_edges): Fix insn iteration.
9847 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
9848 (find_basic_blocks_1): Fix spelling mistake.
9850 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
9852 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
9853 always have side-effects. Use memset not bzero.
9854 (make_node): Likewise.
9856 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
9858 * stmt.c (expand_anon_union_decl): When any of the elements of the
9859 union is addressable, so is the entire union.
9861 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
9863 * sbitmap.c (sbitmap_ones): Don't set too many bits.
9865 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
9866 * bitmap.c (bitmap_operation): Return true iff TO changed.
9867 (bitmap_equal_p): New.
9868 (bitmap_bit_p): Tidy arithmetic.
9869 (debug_bitmap_file): Likewise.
9871 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
9873 * toplev.c (rest_of_compilation): Turn on cse_not_expected
9874 before cse2 instead of after.
9876 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
9878 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
9881 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9883 * cppinit.c (is_idchar initializer): Loosen tests to accept
9886 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
9888 * mips.md: Define conditional move patterns for floating point
9889 operands and DI mode conditions.
9891 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
9893 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
9894 always have side-effects.
9896 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
9898 * mn10200.c (asm_file_start): Fix typo.
9900 * cppinit.c (is_idchar initializer): Tighten tests for when
9901 to put the table into initialized memory.
9903 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
9904 not an array of rtunion.
9905 * gcc-page.c (ggc_alloc_rtvec): Similarly.
9906 * gcc-simple (ggc_free_rtvec): Similarly.
9908 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
9911 * mbchar.h: Add missing #endif.
9913 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
9914 (FPBIT, DPBIT): Define.
9916 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9918 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
9920 * profile.c (instrument_arcs, output_gcov_string,
9921 tablejump_entry_p): Add static prototypes.
9922 (output_gcov_string): Constify a char*.
9924 * regmove.c (replacement_quality, fixup_match_2): Add static
9927 * resource.h (reg_dead_p): Add extern prototype.
9929 * rtl.c (trim_filename): Add static prototype.
9931 * scan-decls.c (skip_to_closing_brace): Likewise.
9933 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
9934 (expand_end_case): Initialize variable `range'.
9935 (emit_case_nodes): Remove unused prototype `rtx_fn'.
9937 * varasm.c (asm_emit_uninitialised): Add static prototype.
9938 (asm_emit_uninitialised, assemble_variable): Mark parameter with
9941 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9943 * cpplib.c (if_directive_nameo): Add static prototype.
9945 * cse.c (cse_insn): Remove unused variable `p'.
9947 * except.c (create_rethrow_ref, push_entry,
9948 receive_exception_label, new_eh_region_entry, find_func_region,
9949 clear_function_eh_region, process_nestinfo): Add static prototypes.
9950 (get_reg_for_handler): Hide definition.
9951 (process_nestinfo): Initialize variable `extra_handlers'.
9953 * expr.h (expand_builtin_longjmp): Add extern prototype.
9955 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
9957 * function.c (prepare_function_start): Likewise.
9958 (pop_function_context_from): Mark parameter `context' with
9960 (push_temp_slots_for_block, flush_addressof): Hide definition.
9962 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
9963 solve_program_flow_graph, calculate_branch_probs,
9964 function_summary, main, fancy_abort): Add prototypes.
9966 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
9967 (add_hash): Constify a char*.
9969 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
9970 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
9971 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
9973 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
9975 * lists.c (free_list, zap_lists): Likewise.
9977 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9979 * alias.c (nonlocal_reference_p): Add static prototype.
9981 * bitmap.c (bitmap_element_allocate): Prototype args in function
9984 * builtins.c (stabilize_va_list): Add static prototype.
9985 (expand_builtin_va_arg): Constify a char*.
9987 * c-lex.c (getch, put_back, extend_token_buffer_to,
9988 read_line_number, token_getch, token_put_back): Add static
9991 * c-parse.gperf (hash, is_reserved_word): Likewise.
9993 * cccp.c (is_dir_separator): Likewise.
9995 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9997 * graph.h: New file to prototype functions exported by graph.c.
9999 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
10001 * graph.c: Include graph.h.
10003 * toplev.c: Likewise. Remove redundant prototypes.
10005 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
10007 * invoke.texi: Removed duplicated description for -Q.
10009 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
10011 * extend.texi: Grammar fix in __extension__ text.
10013 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
10015 * md.texi (define_peephole2): New section.
10017 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
10019 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
10020 (mov $-1 to or peepholer): Enable for pentium when optimizing for
10023 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
10025 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
10027 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
10029 * i386.md (ffs expander): Emit Pentium friendly code for
10032 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
10034 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
10036 (build1): Likewise.
10038 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10040 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
10042 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
10044 * config/m68k/m68k.c (use_return_insn): Return false if the pic
10045 register is in use.
10047 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10049 * md.texi (No Constraints): Delete section.
10050 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
10051 * final.c (final_scan_insn): We always have register constraints.
10052 * genattrtab.c: Don't include "insn-config.h".
10053 (write_attr_case): We always have register constraints.
10054 * genconfig.c (register_constraint_flag): Delete.
10055 (walk_insn_part): Don't check whether we have register constraints.
10056 (main): Don't write out "#define REGISTER_CONSTRAINTS".
10057 * genoutput.c (have_constraints): Delete.
10058 (main): Don't set it.
10059 (output_operand_data): We always have constraints.
10060 (scan_operands): Likewise.
10061 (compare_operands): Likewise.
10062 * local-alloc.c (block_alloc): We always have constraints.
10063 (requires_inout): Always compile this function.
10064 * recog.c (extract_insn): We always have constraints.
10065 (constrain_operands, reg_fits_class_p): Always compile these
10067 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
10069 (struct insn_operand_data): Likewise.
10070 * regclass.c (regclass): We always have constraints.
10071 (record_reg_classes, copy_cost, record_address_regs,
10072 auto_inc_dec_reg_p): Always compile these functions.
10073 * regmove.c (regmove_optimize): We always have constraints.
10074 * reload.c (find_reloads): Likewise.
10075 * reload1.c (reload): Likewise.
10076 (reload_cse_simplify_operands): Likewise.
10077 * i860.c (output_delay_insn): Likewise.
10079 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
10081 * iris6.h (BUILD_VA_LIST_TYPE): Define.
10083 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10085 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
10086 for the va_list record.
10088 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
10090 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
10093 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
10095 * alias.c: Include insn-flags.h.
10096 * Makefile.in (alias.o): Update.
10098 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
10100 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
10101 to LTU and GEU. Handle more cases using sbb.
10103 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
10105 * i386.md (truncatexfdf splitters): Do not use subreg.
10106 (fop XFmode patterns): Fix mode in operand testing.
10108 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
10110 * jump.c (jump_optimize_1): Amend last change to test only the
10111 form of the operand, not the insn.
10113 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
10114 not register_operand to determine when B may need preloading.
10116 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
10118 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
10119 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
10120 (call-value patterns): Move to end of file.
10121 (*): Remove mode from label_ref in (pc) context.
10122 (movstrqi): Use memory not general_operand for BLKmode operands.
10123 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
10124 to register_operand operands.
10125 (peep2 patterns): Convert from commented-out peephole patterns.
10127 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10129 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
10130 to BUILT_IN_INIT_DWARF_REG_SIZES.
10131 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
10132 Renamed from BUILT_IN_DWARF_REG_SIZE; call
10133 expand_builtin_init_dwarf_reg_sizes.
10134 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
10135 with __builtin_init_dwarf_reg_size_table.
10136 * dwarf2out.c (struct reg_size_range): Delete.
10137 (expand_builtin_init_dwarf_reg_sizes): New function.
10138 (expand_builtin_dwarf_reg_size): Delete.
10139 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
10140 (expand_builtin_dwarf_reg_size): Don't declare.
10141 * libgcc2.c (dwarf_reg_size_table_initialized): New.
10142 (dwarf_reg_size_table): New.
10143 (init_reg_size_table): New function.
10144 (copy_reg): Use dwarf_reg_size_table.
10145 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
10148 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
10150 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
10151 Correctly build argument list to constructor and destructor functions.
10153 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
10155 * c-tree.h (warn_float_equal): Declare.
10156 * c-decl.c (warn_float_equal): Define.
10157 (c_decode_option): Recognize -W[no-]float-equal.
10158 * c-typeck.c (build_binary_op): Conditionally warn
10159 about equality tests of floating point types.
10160 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
10161 * invoke.texi: Add docs for -Wfloat-equal warning.
10163 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
10165 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
10166 generating RTL directly.
10167 * mips.h (INIT_TARGET_OPTABS): Likewise.
10168 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
10170 * expr.h (init_mov_optab): Delete declaration
10172 * h8300.c (WORD_REG_USED): Update to avoid useless register
10173 saves in interrupt functions and functions which never return.
10175 * cse.c (struct set): Delete inner_dest_loc field.
10176 (cse_insn): Remove assignments to inner_dest_loc field.
10178 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
10180 * ggc-page.c: Don't include <unistd.h> etc taken care of
10181 by "system.h". Include <sys/mman.h> afterward.
10183 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
10185 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
10188 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
10190 * xcoffout.c (xcoffout_declare_function): Add documentation.
10191 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
10192 TARGET_64BIT. Compare constant to -1, not bit pattern.
10193 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
10194 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
10197 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
10199 * dwarf2out.c (add_abstract_origin_attribute): Abort if
10200 origin_die is NULL.
10201 (gen_inlined_enumeration_type_die): Do not abort if the type has
10202 not been writeen out.
10203 (gen_inlined_structure_type_die): Do not abort if the type has
10204 not been writeen out.
10205 (gen_inlined_union_type_die): Do not abort if the type has
10206 not been writeen out.
10207 (gen_tagged_type_instantiation_die): Do not abort if the type
10208 has not been written out.
10210 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10212 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
10214 * reg-stack.c (straighten_stack): Copy hard reg set with
10217 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
10219 * builtins.c (stabilize_va_list): Stabilize array type va_list
10220 to a pointer type, not the base record type.
10221 (expand_builtin_va_copy): Dereference the pointers explicitly;
10222 use the correct size for the copy.
10224 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
10225 (rs6000_va_arg): Likewise.
10227 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
10229 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
10231 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
10233 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
10235 (DECL_BUILT_IN_CLASS): Adjust accordingly.
10237 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
10239 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
10240 (init_ggc): Use it instead of a constant.
10241 (ggc_collect): Bound allocated_last_gc by it.
10243 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
10245 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
10248 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
10250 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
10251 (mips*-*-openbsd*): Let big endian configuration be a fragment.
10252 * configure: Regen.
10253 * config/mips/openbsd.h: New, OpenBSD little endian target.
10254 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
10255 * config/mips/xm-openbsd.h: New, OpenBSD host.
10257 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
10259 * config/m68k/m68k.c (output_function_prologue,
10260 output_function_epilogue): Use
10261 current_function_uses_pic_offset_table instead of regs_ever_live
10262 to decide whether to save/restore pic register.
10263 (legitimize_pic_address): Don't modify regs_ever_live any more.
10265 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
10267 * function.h (struct function): Add x_dont_save_pending_sizes_p.
10268 * stor-layout.c (variable_size): Don't add sizes to the pending
10269 sizes list if x_dont_save_pending_sizes_p is set.
10271 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
10273 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
10274 for symbolic_operand().
10275 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
10277 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10279 * combine.c (gen_rtx_combine): Add missing call to va_end().
10281 * final.c (asm_fprintf): Likewise.
10283 * genattrtab.c (attr_rtx): Likewise.
10285 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
10287 * cse.c: Update comments.
10288 (cse_insn): When converting a conditional/computed jump into
10289 an unconditional jump, always make sure a BARRIER immediately
10290 follows the converted jump. Do not delete unreachable code.
10291 (cse_basic_block): Do not delete unreachable code.
10292 * toplev.c (rest_of_compilation): Move call to
10293 delete_trivially_dead_insns after the conditional call to
10296 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10298 * collect2.c (make_temp_file): Don't prototype.
10300 * gcc.c (make_temp_file): Likewise.
10302 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
10304 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
10306 * varasm.c (asm_emit_uninitialised): New function: Generate
10307 the assembler statements necessary to declare an uninitialised
10309 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
10311 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
10312 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
10314 (assemble_variable): Use asm_emit_uninitialised to emit an
10315 uninitialised variable.
10317 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
10319 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
10320 constant on a 64 bit host. Patch supplied by Geoffrey Keating
10321 <geoffk@cygnus.com>.
10323 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10325 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
10326 * c-common.h (builtin_function): Don't declare.
10328 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
10330 (pushdecl): Likewise.
10331 (finish_decl): Likewise.
10332 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
10333 int. All callers changed.
10334 Set the builtin's DECL_BUILT_IN_CLASS.
10335 * tree.h (enum built_in_class): New.
10336 (enum built_in_function): Delete NOT_BUILT_IN.
10337 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
10339 (DECL_SET_FUNCTION_CODE): Likewise.
10340 (DECL_BUILT_IN_CLASS): New macro.
10341 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
10342 (struct tree_decl): Split builtin function code field into a
10344 (builtin_function): Declare.
10346 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
10348 * optabs.c (init_traps): Fix typo in last change.
10350 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
10352 * toplev.c (rest_of_decl_compilation): Update comment.
10354 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
10356 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
10357 in .sbss if appropriate.
10358 (EXTRA_SECTION_FUNCTIONS): Add sbss.
10359 (SBSS_SECTION_ASM_OP): New macro.
10360 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
10361 (EXTRA_SECTIONS): Add in_sbss.
10362 * config/mips/mips.h: Prototype sbss_section.
10364 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
10366 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
10369 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
10371 * optabs.c (init_traps): Register trap_rtx as a GC root.
10373 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10375 * config/mips/mips.c (function_arg_pass_by_reference): Define
10376 unconditionally, since it's called unconditionally.
10378 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
10380 * toplev.c (documented_lang_options): Add -fshort-wchar.
10381 * c-decl.c (c_decode_option): Likewise.
10382 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
10384 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
10385 * gcc.c (default_compilers): If -fshort-wchar,
10386 override __WCHAR_TYPE__.
10387 * tm.texi (C Dialect Options): Add -fshort-wchar.
10389 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
10390 symbol for a variable.
10392 * cpplib.h (CPP_PREPROCESSED): New macro.
10393 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
10394 we're seeing this input for a second time.
10396 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
10398 * emit-rtl.c (init_emit_once): Initialize modes first.
10400 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
10402 * config/i386/i386.c (pic_label_name): Change to char pointer.
10403 (global_offset_table): New variable.
10404 (load_pic_register): Fill global_offset_table if it hasn't
10405 already been done. Allocate pic_label_name dynamically.
10406 * ggc.h (empty_string): New variable.
10407 * ggc-simple.c (empty_string): Likewise.
10408 (init_ggc): Allocate empty_string and add as root.
10409 * stmt.c (digit_strings): New variable.
10410 (init_stmt): Add last_block_end_note as root. Allocate and
10411 initialize digit_strings.
10412 (expand_asm_operands): Use empty_string instead of string
10413 constant. Use digit_strings instead of string constants.
10414 * profile.c (init_arc_profiler): Allocate string with
10415 ggc_alloc_string instead of xmalloc.
10416 (output_func_start_profiler): Likewise.
10417 * c-typeck.c (digest_init): Check if init is error_mark_node.
10419 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
10420 Richard Henderson <rth@cygnus.com>
10422 * ggc-page.c: New file.
10423 * Makefile.in (ggc-page.o): New.
10425 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
10427 * invoke.texi: Document -fdelete-null-pointer-checks
10428 * toplev.c (flag_delete_null_pointer_checks): New.
10429 (f_options): Add entry for -fdelete-null-pointer-checks.
10430 (rest_of_compilation): Conditionalize null pointer check
10431 elimination on flag_delete_null_pointer_checks.
10432 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
10434 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
10436 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
10437 copyright notice and special exception to GPL.
10439 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10441 * abi64.h (mips_function_value): Add prototype arguments.
10443 * mips-protos.h: New file with mips prototypes.
10445 * mips.c: Include "tm_p.h".
10446 (mktemp, lookup_name): Add prototype arguments.
10447 (extern_list, string_constant, mips_fill_delay_slot,
10448 mips_output_external, mips_output_external_libcall,
10449 mips_output_filename, mips_declare_object, function_prologue,
10450 mips_expand_prologue, function_epilogue, mips16_constant,
10451 build_mips16_function_stub, mips_output_conditional_branch):
10453 (mips_va_start): Remove unused variable `u'.
10454 (mips_va_arg): Cast value to unsigned when comparing against one.
10456 (save_restore_insns, mips_expand_prologue): Add missing arg in
10457 call to `large_int'.
10459 * mips.h: Move prototypes to mips-protos.h.
10460 (data_section, memory_address_p, rdata_section,
10461 readonly_data_section, simple_epilogue_p, text_section): Delete
10462 prototypes delcared elsewhere.
10463 (mips_epilogue_delay_slots, print_options): Delete unused decls.
10465 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
10467 * mips.md: Delete extra args in call to `mips_move_2words'.
10469 * xm-iris6.h (alloca): Add prototype argument.
10471 * genpeep.c: Include "tm_p.h" in generated output file.
10473 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10475 * basic-block.h (find_edge_index): Change parameters.
10476 * flow.c (verify_edge_list): Pass basic_block parameters to
10477 find_edge_index instead of integers.
10479 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
10481 * combine.c (simplify_comparison): Use an unsigned shift to adjust
10484 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
10486 * gcc.1: Fix a formatting error.
10488 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10490 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
10491 i786, mn10200, mn10300, pdp11, v850.
10493 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
10495 * libgcc2.c (num_digits): Add prototype with
10496 __attribute__((const)).
10497 (__terminate): Add prototype.
10499 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
10501 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
10503 * alpha/alpha.c (print_operand): Fix type of `code'.
10504 (alpha_output_filename): Constify.
10505 * alpha/alpha.h: Move all function declarations ...
10506 * alpha/alpha-protos.h: ... here. New file.
10507 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
10508 (SECTION_FUNCTION_TEMPLATE): Likewise.
10510 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10512 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
10513 * expr.c (expand_expr): Likewise.
10514 (do_jump): Likewise.
10515 (do_store_flag): Pass ccp_store_flag to can_compare_p.
10516 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
10518 (enum can_compare_purpose): New.
10519 (can_compare_p): Adjust prototype.
10520 (prepare_cmp_insn, prepare_operand): Declare.
10521 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
10522 * optabs.c (cmp_available_p): Deleted.
10523 (expand_abs): Pass ccp_jump to can_compare_p.
10524 (can_compare_p): New arg PURPOSE. Check for combined optabs.
10525 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
10526 Call can_compare_p rather than cmp_available_p.
10527 (prepare_operand): No longer static.
10528 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
10529 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
10530 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
10531 sequence to use emit_cmp_and_jump_insns.
10532 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
10534 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
10536 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
10537 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
10538 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
10539 (plus (reg) (const_int 0))
10540 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
10542 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
10544 * rs6000.c (expand_block_move): DImode loads and stores require
10545 word-aligned displacements. Increment address registers with
10546 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
10548 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
10550 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
10551 is no name for the base type, rather than segfault. If we are
10552 writing out a complex integer type, use DW_ATE_lo_user.
10554 * expr.c (emit_move_insn_1): If we are copying a complex that fits
10555 in one word or less (complex char, complex short, or on 64 bit
10556 systems complex float) to/from a hard register, copy it through
10557 memory instead of dying in gen_{real,imag}part. If we have a
10558 short complex type, prevent inlining since it allocates stack
10561 * tree.c (build_complex_type): If we are writing dwarf2 output,
10562 generate a name for complex integer types.
10564 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10566 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
10567 * flow.c (remove_edge): Remove extra whitespace.
10568 (remove_fake_edges): Fix comment.
10569 (add_noreturn_fake_exit_edges): Use the correct name.
10571 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
10573 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
10574 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
10575 (clean): Depend on INTL_CLEAN.
10576 (maintainer-clean): Adjust.
10578 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10580 * configure.in (AC_PREREQ): Bump to 2.13.
10581 (AC_C_STRINGIZE): Call this instead of using a custom macro.
10583 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
10585 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
10587 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
10589 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
10590 (HAVE_STRINGIZE): Define.
10592 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
10594 * c-parse.in: save and restore warn_pointer_arith on __extension__
10595 along with pedantic.
10596 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
10597 Set the type of extension to itype rather than $<itype>1 kludge.
10598 * extend.texi (Alternate Keywords): Adjust documentation.
10599 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
10601 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
10603 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
10604 most assembler templates.
10606 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
10607 FP loads and stores.
10608 (following_call): Always return zero for the PA8000.
10609 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
10610 FP loads and stores.
10611 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
10613 * pa.h (BRANCH_COST): Define.
10615 * pa.md (return, return_internal): Use bve for PA2.0.
10617 * pa.md (fused multiply): Add variants which reduce height for the
10618 fused multiply, but which still generate 2 insns.
10619 (fnegabs): Similarly.
10621 * pa.md (subsi3): Turn into an expander. Create two anonymous
10622 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
10623 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
10625 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
10627 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
10629 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
10630 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
10632 * regclass.c (init_regs): Add "top_of_stack" as a garbage
10635 * flow.c (record_active_eh_regions): Terminate loop after finding
10636 the last insn in the last basic block.
10638 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10640 * config/c4x/c4x.md: Delete parallel instruction peepholes.
10642 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10644 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
10646 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10648 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
10649 splitting to not use output template.
10651 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10653 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
10654 * config/c4x/c4x.c (c4x_va_start): New function.
10656 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
10658 * genrecog.c (not_both_true): Handle correctly cases when called for
10659 tests with different positions in the insn.
10661 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10663 * machmode.h (HOST_PTR_PRINTF): Move from here ...
10665 * system.h (HOST_PTR_PRINTF): ... to here.
10667 * mips-tfile.c: Don't include machmode.h.
10669 * Makefile.in (MACHMODE_H): New variable. Update to use it.
10670 (mips-tfile.o): Don't depend on machmode.h.
10672 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10674 * haifa-sched.c (sched_analyze): Rename local variable `region' to
10675 avoid conflicts with typedef struct `region' at the top level scope.
10677 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
10679 * basic-block.h (basic_block): Add eh_beg, eh_end.
10680 * flow.c (entry_exit_blocks): Update.
10681 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
10682 Call new functions.
10683 (find_basic_blocks_1): Don't record eh_list at each bb. Use
10684 lists.c functions to allocate insn lists.
10685 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
10687 (make_eh_edge): ... here. New.
10688 (move_stray_eh_region_notes): New.
10689 (record_active_eh_regions): New.
10690 (delete_unreachable_blocks): Split out block merging ...
10691 (try_merge_blocks): ... here. New.
10692 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
10693 Dump debugging data.
10694 (merge_blocks_move_successor_nojumps): Likewise.
10695 (merge_blocks): Use eh_beg+eh_end to validate block movement.
10697 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10699 * extend.texi (Bound member functions): Document unbound pmf
10702 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10704 * flow.c (split_edge): Handle insertion on a fallthrough edge which
10705 has the EXIT_BLOCK as a dest.
10707 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10709 * flow.c (remove_edge): New function to remove an edge from the
10711 (remove_fake_successors): New function to remove fake successor edges.
10712 (remove_fake_edges): New function to remove all fake edges from the
10714 (add_fake_exit_edges): New function to add fake edges from all blocks
10715 with no successors to the exit block.
10716 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
10717 prototypes for new functions.
10719 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10721 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
10722 Use Pmode to determine whether to output .dword or .word.
10724 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
10726 * tree.c (built_in_filename): New variable.
10727 (BUILT_IN_FILENAME): New macro.
10728 (init_tree_codes): Allocate built_in_filename.
10729 (make_node): Use built_in_filename instead of string constant.
10731 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
10733 * configure.in: Add fr30 target.
10734 * configure: Regenerate.
10735 * config/fr30: New directory.
10736 * config/fr30/crti.asm: New file.
10737 * config/fr30/fr30.c: New file.
10738 * config/fr30/crtn.asm: New file.
10739 * config/fr30/fr30.h: New file.
10740 * config/fr30/fr30.md: New file.
10741 * config/fr30/lib1funcs.asm: New file.
10742 * config/fr30/t-fr30: New file.
10743 * config/fr30/xm-fr30.h: New file.
10745 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
10747 * flow.c (merge_blocks_move_successor_nojumps): Delete the
10748 BARRIER at the end of the successor, not the BARRIER before
10751 * pa.c (pa_add_gc_roots): Fix thinko in last change.
10753 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
10755 * stmt.c (any_pending_cleanups): Don't crash when
10756 current_function->stmt is unset.
10758 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10760 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
10761 other initializations that may use it for relative offsets.
10763 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10765 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
10766 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
10767 * config/i386/sol2dbg.h: Removed.
10768 * config/i386/sol2gas.h: New file, to enable gas work-around.
10769 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
10770 Don't use sol2dbg.h.
10771 * configure: Rebuilt.
10773 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
10775 * invoke.texi (-fthis-is-variable): Remove documentation.
10777 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
10779 * basic-block.h (compute_bb_for_insn): Declare.
10780 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
10781 to use; set size of basic_block_for_insn directly.
10782 (find_basic_blocks): Update.
10784 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10786 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
10788 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10790 * crtstuff.c (ON_EXIT): Delete empty macro definition.
10791 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
10793 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
10795 * c-decl.c (c_decode_option): Extend comment.
10797 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
10799 * toplev.c (progname): Make 'const char *'
10800 (flag_print_mem): Move out of main.
10801 (version_flag): Move out of main.
10802 (filename): Move out of main.
10803 (debug_args): Remove g prefix from options.
10804 (documented_lang_options): Remove cpplib specific options.
10805 (display_help): Add g prefix to debug options.
10806 (check_lang_option): Delete this function.
10807 (decode_d_option): New function: Decode -d... option.
10808 (decode_f_option): New function: Decode -f... option.
10809 (decode_W_option): New function: Decode -W... option.
10810 (decode_g_option): New function: Decode -g... option.
10811 (independent_decode_option): New function: Decode a language
10812 independent command line option.
10813 (main): Invoke lang_decode_option and then
10814 independent_decode_option on each command line option in
10817 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
10819 Revert this change. Gavin's patch to operand_equal_p is a better fix.
10820 * fold-const.c (fold_range_test): Do not try to fold the range
10821 test if the rhs or lhs has side effects.
10823 * basic-block.h (compute_flow_dominators): Declare.
10825 * gcse.c (alloc_code_hoist_mem): New function.
10826 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
10827 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
10828 (hoist_code, one_code_hoisting_pass): Likewise.
10829 (gcse_main): If optimizing for size, then hoist expressions
10830 computed in multiple dominated basic blocks.
10832 * gcse.c (invalid_nonnull_info): New function.
10833 (delete_null_pointer_checks): Likewise.
10834 * rtl.h (delete_null_pointer_checks): Declare.
10835 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
10837 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
10838 (merge-blocks_move_successor_nojumps): Likewise.
10839 (merge_blocks): Allow merging of some blocks, even if it requires
10840 physical movement of the blocks, but not if it requires new jumps.
10842 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
10843 Callers and prototype changed.
10844 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
10846 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10848 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
10849 -YP when both -p and -pg are present. From i386/sol2.h.
10851 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10853 * Makefile.in (distclean): Delete tm_p.h.
10854 * configure.in: Create a new file, "tm_p.h", from a list in
10855 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
10856 "i386/i386-protos.h".
10858 * alias.c: Include "tm_p.h".
10859 * c-typeck.c: Likewise.
10860 * calls.c: Likewise.
10862 * emit-rtl.c: Likewise.
10863 * explow.c: Likewise.
10864 * expmed.c: Likewise.
10865 * expr.c: Likewise.
10866 * final.c: Likewise.
10867 * flow.c: Likewise.
10868 * fold-const.c: Likewise.
10869 * function.c: Likewise.
10870 * gcse.c: Likewise.
10871 * global.c: Likewise.
10872 * haifa-sched.c: Likewise.
10873 * integrate.c: Likewise.
10874 * jump.c: Likewise.
10875 * local-alloc.c: Likewise.
10876 * loop.c: Likewise.
10877 * optabs.c: Likewise.
10878 * recog.c: Likewise.
10879 * reg-stack.c: Likewise.
10880 * regclass.c: Likewise.
10881 * regmove.c: Likewise.
10882 * reload.c: Likewise.
10883 * reload1.c: Likewise.
10884 * reorg.c: Likewise.
10885 * resource.c: Likewise.
10886 * stmt.c: Likewise.
10887 * stor-layout.c: Likewise.
10888 * toplev.c: Likewise.
10889 * tree.c: Likewise.
10890 * unroll.c: Likewise.
10891 * genattrtab.c (main): Make generated file include "tm_p.h".
10892 * genemit.c (main): Likewise.
10893 * genoutput.c (main): Likewise.
10894 * genrecog.c (main): Likewise.
10896 * i386.h: Delete all prototypes.
10897 * i386.c: Include "tm_p.h".
10898 (ix86_attr_length_default): Call constant_call_address_operand
10899 with correct number of arguments.
10900 * i386-protos.h: New file.
10901 * i386.md (unnamed patterns): Call constant_call_address_operand
10902 with correct number of arguments.
10903 (exception_receiver): Call load_pic_register with correct number
10906 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
10908 * c-pragma.c (mark_align_stack): Dereference the void* properly.
10910 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
10912 * rtl.h (insns_safe_to_move_p): New function.
10913 * loop.c (find_and_verify_loops): Use it.
10914 * rtlanal.c (insns_safe_to_move_p): Define it.
10916 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
10918 * c-pragma.c: Include ggc.h.
10919 * Makefile.in (c-pragma.o): Update.
10921 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10923 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
10924 (LIB_SPEC): Likewise.
10925 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
10926 Reindent -YP/-p/-pg.
10927 Copied from config/sparc/sol2.h.
10929 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
10931 * c-pragma.c (mark_align_stack): New.
10932 (init_pragma): New.
10933 * c-pragma.h (init_pragma): Declare it.
10934 * c-lex.c (init_parse): Call it.
10936 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10938 * configure.in: Pick up thread library on Solaris/x86 just
10939 like on Solaris/sparc.
10940 * configure: Rebuilt.
10942 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
10944 * rtl.h (global_rtx_index): New enum.
10945 (global_rtl): Change to array of rtx.
10946 (pc_rtx, cc0_rtx): Redefine accordingly.
10947 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
10948 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
10949 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
10950 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
10951 (const_int_rtx): Change to array of rtx.
10952 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
10954 * emit-rtl.c (global_rtl): Change to array of rtx.
10955 (const_int_rtx): Change to aray of rtx.
10956 (gen_rtx_CONST_INT): Redefine accordingly.
10957 (init_emit_once): Allocate and initialize global_rtl. Likewise
10958 for const_int_rtx. Add both as GC roots.
10959 * genattrtab.c (global_rtl): Update declaration.
10961 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
10963 * Makefile (USER_H): Add iso646.h back.
10965 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
10967 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
10968 zapping the LOG_LINKS of sched_before_next_call.
10970 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
10971 * pa.c (insn_refs_are_delayed): Renamed from
10972 insn_sets_and_refs_are_delayed.
10974 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
10976 * functiion.h (struct function): Add x_whole_function_mode_p.
10977 (retrofit_block): Declare.
10978 * function.c (retrofit_block): New function.
10979 (identify_blocks): Add assertions. Allow an incomplete set of
10980 block notes if we're still generating code for the function.
10981 * integrate.c: Include loop.h.
10982 (expand_inline_function): Call find_loop_tree_blocks to map block
10983 notes to blocks when in whole-function mode. Use retrofit_block
10984 to insert new BLOCKs for the inlined function, rather than
10986 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
10987 * Makefile.in (integrate.o): Depend on loop.h.
10989 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
10991 * tree.h (warn_about_unused_variables): Declare.
10992 * stmt.c (warn_about_unused_variables): New function, split out
10994 (expand_end_bindings): Here.
10996 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
10998 * stmt.c (preserve_subexpressions_p): Don't crash when
10999 current_function->stmt is unset.
11001 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
11003 * stmt.c (expand_start_bindings): Allow callers to pass a flag
11004 indicating that no NOTE_INSN_BLOCK_BEG note is required.
11005 (expand_start_target_temps): Use it.
11006 * except.c (expand_eh_region_start_for_decl): Likewise.
11007 * expr.c (expand_expr): Likewise.
11009 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
11011 * fold-const.c (operand_equal_p): Pay attention to side effects.
11013 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
11015 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
11016 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
11018 * tlink.c (scan_linker_output): Look for keywords before accepting
11019 a mangled name in quotes.
11021 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
11023 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
11024 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
11026 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
11028 * alpha.md: Revert Thu Nov 26 change that came in through the
11029 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
11030 Avoid earlyclobber when possible.
11032 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11034 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
11036 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
11037 Define HAVE_ON_EXIT.
11039 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11041 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
11042 CTYPE_CONV in all ctype macros.
11044 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
11047 * cexp.y (initialize_random_junk): Likewise.
11049 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
11051 * i370.c (handle_pragma): Likewise.
11053 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
11055 * v850.c (override_options): Likewise.
11057 * doprint.c (_doprnt): Likewise.
11059 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
11062 * fixinc/server.c (load_data): Likewise.
11064 * fold-const.c (real_hex_to_f): Likewise.
11066 * genattr.c (write_upcase, gen_attr): Likewise.
11068 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
11069 write_upcase): Likewise.
11071 * genemit.c (print_code): Likewise.
11073 * genopinit.c (gen_insn): Likewise.
11075 * genpeep.c (print_code): Likewise.
11077 * genrecog.c (print_code): Likewise.
11079 * optabs.c (init_libfuncs): Likewise.
11081 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
11083 * haifa-sched.c (sched_analyze): Keep the list of notes organized
11085 (reemit_notes): Likewise.
11087 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
11089 * ggc.h (ggc_root): Move to ggc-common.c.
11091 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
11092 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
11093 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
11094 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
11095 * ggc-common.c (ggc_root): Move from ggc.h.
11096 (roots): Declare, static.
11097 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
11098 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
11099 null or check/set mark bit.
11100 (ggc_mark_roots): New.
11101 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
11103 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
11105 * m32r.c: Include toplev.h.
11106 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
11107 (gen_compare): Rename swap_p to must_swap to match uses.
11108 Add default abort case.
11109 (m32r_output_function_epilogue): Remove unused variables.
11110 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
11111 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
11112 define to empty parameter list. Update all uses.
11113 (predicate decls): Use enum machine_mode not int.
11114 * m32r.md (movsi): Call abort, not fatal_insn.
11115 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
11117 1999-09-14 Andrew Haley <aph@cygnus.com>
11119 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
11120 use $0 instead of 0.
11122 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11124 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
11125 computation out of loop over hard regs.
11127 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
11129 * function.c (identify_blocks): Don't shadow a variable in an
11131 * integrate.c (integrate_decl_tree): Don't use pushlevel,
11132 pushdecl, or poplevel to build up the new BLOCK tree.
11133 (expand_inline_function): Likewise.
11134 (integrate_parm_decls): Likewise.
11136 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
11138 * c-typeck.c (qualify_type): Merge qualifiers from both types.
11140 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
11142 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
11143 * invoke.texi: Document this change.
11145 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
11147 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
11149 (mark_emit_status): Renamed from mark_emit_state.
11150 * except.c (mark_eh_status): Renamed from mark_eh_state.
11151 Check not null before marking.
11152 (free_eh_status): New.
11153 * expr.c (mark_expr_status, free_expr_status): New.
11154 * function.c (free_machine_status): New.
11155 (free_after_parsing): New.
11156 (free_after_compilation): Move bits to free_after_parsing; call
11157 free_eh_status, free_expr_status; zero the marked members of the
11159 (prepare_function_start): No can_garbage_collect.
11160 Call init_eh_for_function.
11161 (expand_dummy_function_end): Free up current_function state.
11162 (mark_function_status): Renamed from mark_function_state.
11163 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
11164 * function.h (struct function): No can_garbage_collect.
11165 (free_machine_status, free_after_parsing): Declare.
11166 (free_eh_status, free_expr_status): Declare.
11167 * ggc.h (mark_expr_status): Declare.
11168 * stmt.c (free_stmt_status): Free the struct.
11169 (mark_stmt_status): Renamed from mark_stmt_state.
11170 (init_stmt): Don't call init_eh.
11171 (init_stmt_for_function): Don't call init_eh_for_function.
11172 * toplev.c (compile_file): Call init_eh.
11173 (rest_of_compilation): Free basic block info before ggc_collect.
11174 Call free_after_parsing; conditionally call free_after_compilation.
11175 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
11176 Check not null before marking.
11177 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
11179 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
11181 * c-lex.c (yylex): Initialize warn.
11183 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
11185 * pa.c (emit_move_sequence): Properly set the mode of the scratch
11186 register when performing secondary reloads for the SAR register.
11188 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
11190 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
11191 (NOTE_BLOCK): New macro.
11192 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
11193 * function.h (identify_blocks): Change prototype.
11194 * function.c (identify_blocks): Simplify.
11195 (reorder_blocks): Likewise.
11196 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
11197 NOTE_INSN_BLOCK_{BEG,END}.
11198 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
11199 the list of saved notes if the note isn't a
11200 NOTE_INSN_BLOCK_{BEG,END}.
11201 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
11203 (reemit_notes): Adjust recreation of notes to reflect new saved
11205 * print-rtl.c (print_rtx): Print the address of the BLOCK when
11206 printing a block note.
11207 * stmt.c (block_vector): Remove.
11208 (find_loop_tree_blocks): Simplify.
11209 (unroll_block_trees): Likewise.
11210 * tree.h (reorder_block): Change prototype.
11212 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
11214 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
11215 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
11216 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
11217 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
11218 (atexit, exit): Simplify.
11219 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
11220 * config/lots: Remove defns of HAVE_ATEXIT.
11222 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
11224 * calls.c (precompute_arguments): Fix typo in comment.
11225 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
11228 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
11230 * dsp16xx.c (override_options): Fix typos in GC root registration.
11232 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
11234 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
11235 from config/svr4.h.
11236 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
11237 (FUNCTION_PROFILER): Redefine appropriately for Linux.
11238 (CC1_SPEC): Likewise.
11240 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11242 * genattr.c (main): Add extern prototype. Call return, not exit.
11243 * genattrtab.c (main): Likewise.
11244 * gencheck.c (main): Likewise.
11245 * gencodes.c (main): Likewise.
11246 * genconfig.c (main): Likewise.
11247 * genemit.c (main): Likewise.
11248 * genextract.c (main): Likewise.
11249 * genflags.c (main): Likewise.
11250 * gengenrtl.c (main): Likewise.
11251 * genopinit.c (main): Likewise.
11252 * genoutput.c (main): Likewise.
11253 * genpeep.c (main): Likewise.
11254 * genrecog.c (main): Likewise.
11256 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
11257 * genattrtab.c (get_insn_name): Likewise.
11258 * gencodes.c (get_insn_name): Likewise.
11259 * genconfig.c (get_insn_name): Likewise.
11260 * genemit.c (get_insn_name): Likewise.
11261 * genextract.c (get_insn_name): Likewise.
11262 * genflags.c (get_insn_name): Likewise.
11263 * genopinit.c (get_insn_name): Likewise.
11264 * genpeep.c (get_insn_name): Likewise.
11266 * gencheck.c (usage): Add static prototype.
11267 * genextract.c (print_path): Constify a char*.
11268 * genopinit.c (optabs): Likewise.
11269 * genoutput.c (operand_data, data, output_predicate_decls,
11270 compare_operands): Likewise.
11271 * genrecog.c (write_tree): Add default case in switch.
11273 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11275 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
11277 * print-rtl.c (get_insn_name): Remove prototype.
11279 * toplev.h (progname): Declare const.
11281 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
11282 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
11283 dump_sched_info, dump_local_alloc, regset_release_memory,
11284 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
11285 error_with_file_and_line, error_with_decl, error_for_asm, error,
11286 fatal, warning_with_file_and_line, warning_with_decl, warning,
11287 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
11288 Remove redundant prototypes.
11290 (notice, check_lang_option, report_file_and_line, vnotice,
11291 mark_file_stack): Add static prototype.
11292 (set_fatal_function): Add prototype.
11293 (vnotice, report_file_and_line, set_fatal_function,
11294 check_lang_option): Constify a char*.
11295 (main): Prototype. Call return, not exit.
11297 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11299 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
11301 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
11303 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
11305 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
11307 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11309 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
11310 behave as if it's zero in all cases.
11311 (expand_function_start): Adjust call to assign_parms.
11312 * tree.h (assign_parms): Adjust prototype.
11313 * objc/objc-act.c (hack_method_prototype): Adjust call to
11316 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
11318 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
11319 arg_pointer_rtx fixed if the argument pointer register is
11321 (NONZERO_BASE_PLUS_P): Likewise.
11323 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
11325 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
11326 match_insn2 to match_insn.
11327 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
11329 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
11331 * Makefile.in (USER_H): Remove va-foo.h.
11333 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
11334 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
11335 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
11336 va-spur.h,va-v850.h}: Remove.
11338 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
11340 * sparc/sparc.md (eligible_for_return_delay): New attribute.
11341 (in_return_delay): Use it instead of match_insn.
11343 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11345 * config/alpha/va_list.h (va-alpha.h): Do not include.
11346 (__gnuc_va_list): Typedef as in varargs.h.
11348 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
11350 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
11351 DECL_LIVE_RANGE_RTL.
11353 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
11355 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
11356 not NOTE_BLOCK_NUMBER.
11357 (expand_eh_region_end): Likewise.
11358 (find_exception_handler_labels): Likewise.
11359 (scan_region): Likewise.
11360 (exception_optimize): Likewise.
11361 (update_rethrow_references): Likewise.
11362 (set_insn_eh_region): Likewise.
11363 * final.c (final_scan_insn): Likewise.
11364 * flow.c (make_edges): Likewise.
11365 * integrate.c (expand_inline_function): Likewise.
11366 * print-rtl.c (print_rtx): Likewise.
11368 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
11370 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
11371 terms of builtin functions and types.
11373 * mips.c (mips_build_va_list): New.
11374 (mips_va_start, mips_va_arg): New.
11375 * mips.h (BUILD_VA_LIST_TYPE): New.
11376 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
11378 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
11379 (sh_build_va_list, sh_va_start, sh_va_arg): New.
11380 * sh.h (BUILD_VA_LIST_TYPE): New.
11381 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
11383 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
11385 * recog.h (struct recog_data): Make dup_num, operand_address_p,
11386 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
11387 (struct insn_data): Likewise with n_operands, n_dups,
11388 n_alternatives, output_format.
11389 * regclass.c (scan_one_insn): Cast n_operands to int before
11390 arithmetic inside comparison.
11392 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
11394 * toplev.c (compile_function): Unconditionally emit nop.
11396 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11398 * haifa-sched.c (actual_hazard): Move declaration of variable
11399 `this_cost' into the scope where it is used.
11401 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11403 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
11404 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
11405 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
11407 * genrecog.c (make_insn_sequence): Call memset, not bzero.
11409 * jump.c (find_insert_position): Don't declare or define unless
11410 !HAVE_conditional_arithmetic.
11411 (returnjump_p_1, delete_prior_computation): Add static prototypes.
11413 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
11415 * recog.c (offsettable_address_p): Prototype function pointer.
11416 (preprocess_constraints): Call memset, not bzero.
11418 * tree.c (tree_node_kind_names): Constify a char*. Make static.
11419 (gcc_obstack_init): Don't declare.
11420 (fix_sizetype): Add static prototype.
11421 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
11422 (tree_cons): Call memset, not bzero.
11424 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
11425 definition in macro ASM_WEAKEN_LABEL.
11426 (mark_const_hash_entry): Add static prototype.
11428 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11430 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
11432 * unroll.c (find_common_reg_term, subtract_reg_term,
11433 loop_find_equiv_value): Add static prototypes.
11434 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
11435 (copy_loop_body): Remove unreachable break statement.
11437 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
11439 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
11441 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11443 Undo some changes from the gcc2 merge:
11444 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
11445 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
11449 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
11450 * emit-rtl.c (gen_lowpart_common): Disable optimization of
11451 initialized float-int union if the value is a NaN.
11453 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
11455 * gthr-win32.h: New file.
11457 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
11458 shared as a valid attribute.
11459 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
11460 * extend.texi: Document `shared' variable attribute.
11462 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
11464 * configure.in: Handle --enable-threads on FreeBSD.
11465 * configure: Rebuit.
11467 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
11469 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
11471 * configure: Rebuilt.
11473 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
11474 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
11475 Rosimildo DaSilva <rdasilva@connecttel.com>
11477 * configure.in (m68k-*-rtemscoff*): Added.
11478 * configure.in (mips64orion-*-rtems*): Converted to ELF.
11479 * configure.in (sparc-*-rtemsaout*): Added as alias for old
11480 sparc-rtems configuration.
11481 * configure.in (sparc-*-rtemself*): Added.
11482 * configure.in (sparc-*-rtems*): Now ELF not a.out.
11483 * config/i386/rtems.h: Added comment.
11484 * config/sparc/rtemself.h: New file.
11486 * configure.in (m68k-rtemself): Added.
11487 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
11488 and DWARF_DEBUGGING_INFO.
11489 * config/m68k/crti.s: New file.
11490 * config/m68k/crtn.s: New file.
11491 * config/m68k/t-crtstuff: New file.
11492 * config/m68k/rtemself.h: New file.
11494 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
11495 global ctor/dtor and C++ exception handling.
11496 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
11497 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
11499 * config/i386/t-rtems-i386: New File.
11501 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
11503 * stmt.c (expand_end_case): Return right away if the case stack is
11506 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
11508 * Makefile.in (version.c): Remove rule incorrectly brought in from
11511 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
11513 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
11514 * msdos/top.sed: Take into account a prepended $(SHELL) to
11516 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
11518 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
11520 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11522 * regmove.c (fixup_match_1): Don't change an unchanging register.
11523 (stable_but_for_p): Renamed to:
11524 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
11525 Changed all callers.
11527 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
11529 * loop.c (strength_reduce): Don't call reg_used_between_p if the
11530 insn from BL2 is after the insn from BL.
11532 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
11534 * recog.h (INSN_OUTPUT_FORMAT_*): New.
11535 (struct insn_data): Merge `template' and `outfun' into `output'.
11536 Add `output_format'.
11537 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
11538 (struct data): Remove `outfun'; add `output_format'.
11539 (name_for_index): Remove declaration.
11540 (output_insn_data): Handle output formats.
11541 (process_template): Emit the bare array for @.
11542 (gen_expand, gen_split): Set output_format to NONE.
11543 * output.h (get_insn_template): Declare.
11544 * final.c (get_insn_template): New.
11545 (final_scan_insn): Use it.
11546 * toplev.c (compile_file): Likewise.
11548 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11549 * i860/i860.c (output_delayed_branch): Likewise.
11550 (output_delay_insn): Likewise.
11552 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11554 * rtl.c (obstack_alloc_rtx): Removed.
11556 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
11558 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
11560 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
11562 * i386.c (call_insn_operand): Reject const_int.
11563 (expander_call_insn_operand): Use call_insn_operand.
11565 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11567 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
11569 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
11571 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
11572 Use DImode operation.
11574 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
11576 * gcc.c: Include sys/resource.h.
11577 (report_times): New flag.
11578 (execute): If report_times is set, calculate and report the
11579 CPU time consumed by each subprocess.
11581 (rus, prus): New globals.
11582 (option_map): Add --time.
11583 (display_help): Document -time.
11584 (process_command): Set report_times if -time is given.
11585 Turn off -pipe if -time is given.
11587 * invoke.texi: Document new option -time.
11589 * configure.in: Check for getrusage. Check if we have to
11590 prototype getrusage.
11591 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
11592 * configure: Regenerate.
11593 * config.in: Regenerate.
11595 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
11597 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
11600 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
11602 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
11603 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
11604 (nan): Return _thenan_sf or _thenan_df as appropriate.
11605 (L_thenan_sf): Define _thenan_sf.
11606 (L_thenan_df): Define _thenan_df.
11608 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
11609 (DPBIT_FUNCS): Add _thenan_df.
11611 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
11613 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
11616 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11618 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
11621 (lang_specific_driver): Don't take a function pointer parameter.
11622 All callers changed.
11624 * gcc.c: Include gcc.h.
11625 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
11626 lang_specific_extra_outfiles, fatal): Don't declare.
11627 (multilib_defaults_raw): Constify.
11628 (read_specs): Call memset, rather than bzero.
11629 (main): Call return, not exit.
11630 (lookup_compiler): Call memcpy, not bcopy.
11631 (fatal): Make extern.
11633 * cppspec.c: Include gcc.h.
11634 (lang_specific_driver): Initialize variable `quote'. Constify a
11635 char*. All calls to the function pointer parameter now
11636 explicitly call `fatal'.
11638 * gccspec.c (lang_specific_driver): Include gcc.h.
11640 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
11642 * arm.c (note_invalid_constants): Use recog_data.operand_type
11645 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11647 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
11650 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
11651 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11652 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11653 reload_secondary_in_reload, reload_secondary_out_reload,
11654 reload_secondary_in_icode, reload_secondary_out_icode,
11655 reload_reg_rtx, reload_when_needed): Delete declarations.
11656 (struct reload): New structure.
11657 (rld): Declare new array.
11658 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
11659 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11660 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11661 reload_secondary_in_reload, reload_secondary_out_reload,
11662 reload_secondary_in_icode, reload_secondary_out_icode,
11663 reload_reg_rtx, reload_when_needed): Delete definitions.
11665 (whole file): Replace uses of the deleted arrays with uses of rld.
11666 * reload1.c (whole file): Replace uses of the deleted arrays with
11668 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
11669 explicit loops, not with bcopy.
11671 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
11673 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
11674 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
11675 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
11676 insn_name): Delete and consolidate into new structures.
11677 (insn_operand_predicate_fn): New.
11678 (insn_output_fn): New.
11679 (insn_gen_fn): New.
11680 (struct insn_operand_data): New.
11681 (struct insn_data): New.
11683 (OUT_FCN): Update for insn_data change.
11684 * builtins.c (expand_builtin_strlen): Likewise.
11685 (expand_builtin_memcmp): Likewise.
11686 * combine.c (make_extraction, simplify_comparison): Likewise.
11687 * cse.c (canon_reg, cse_insn): Likewise.
11688 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
11689 * expmed.c (store_bit_field, extract_bit_field): Likewise.
11690 (emit_store_flag): Likewise.
11691 * expr.c (convert_move, emit_block_move): Likewise.
11692 (clear_storage, emit_push_insn, expand_increment): Likewise.
11693 (do_store_flag): Likewise.
11694 * expr.h (GEN_FCN): Likewise.
11695 (insn_gen_function): Die.
11696 * final.c (final_scan_insn): Update for insn_data change.
11697 (output_asm_name): Likewise.
11698 * function.c (fixup_var_refs_1): Likewise.
11699 * loop.c (check_dbra_loop): Likewise.
11700 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
11701 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
11702 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
11703 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
11704 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
11705 * regmove.c (gen_add3_insn): Likewise.
11706 * reload.c (push_secondary_reload, combine_reloads): Likewise.
11707 (find_reloads, find_reloads_address_1): Likewise.
11708 (debug_reload_to_stream): Likewise.
11709 * reload1.c (emit_reload_insns, gen_reload): Likewise.
11710 * stmt.c (expand_end_case): Likewise.
11711 * toplev.c (compile_file): Likewise.
11713 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11714 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
11716 * print-rtl.c (insn_name_ptr): Remove declaration.
11717 (get_insn_name): Declare.
11718 (print_rtx): Use it.
11719 * genoutput.c (insn_name_ptr): Remove.
11720 (next_operand_number): New.
11721 (struct operand_data): New.
11722 (null_operand, odata, odata_end): New.
11723 (struct data): Use struct operand_data.
11724 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
11725 (get_insn_name): Renamed from name_for_index.
11726 (output_prologue): Define NO_MD_PROTOTYPES.
11727 (output_predicate_decls): Break out from output_epilogue.
11728 Iterate over the operands list.
11729 (output_operand_data): Break out from output_epilogue. Emit
11730 just the operands list.
11731 (output_insn_data): Break out from output_epilogue. Emit just
11733 (output_epilogue): Remove.
11734 (output_get_insn_name): New.
11735 (constraints, op_n_alternatives, predicates, address_p): Die.
11736 (modes, strict_low, seen): Die.
11737 (scan_operands): Take new param `d' instead of writing to
11738 seven global variables.
11739 (compare_operands): New.
11740 (place_operands): New.
11741 (validate_insn_alternatives): Update for struct data change.
11742 (gen_insn): Don't zero or copy 7 global arrays. Update for
11743 scan_operands; call place_operands.
11744 (gen_peephole, gen_expand, gen_split): Likewise.
11745 (main): Update for new output routines.
11747 * genattr.c (insn_name_ptr): Remove.
11748 (get_insn_name): New function.
11749 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
11750 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
11751 * genrecog.c: Likewise.
11753 * alpha.md (adddi3): Make `pattern' array static.
11755 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11757 * config/c4x/c4x.h (c4x_rpts_cycles_string,
11758 c4x_cpu_version_string): Constify char *.
11759 * config/c4x/c4x.c (c4x_rpts_cycles_string,
11760 c4x_cpu_version_string): Likewise.
11762 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
11764 * tree.c (save_tree_status): Revert 10 Sep change.
11765 (restore_tree_status): Likewise. Call obstack_free with NULL
11766 before freeing the obstack proper.
11768 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
11770 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
11772 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
11773 surrounding context.
11775 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
11777 * tree.c (type_hash_canon): Put all types in the hash-table, when
11780 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
11782 * recog.h (struct recog_data, recog_data): New.
11783 (recog_foo variables): Kill.
11784 * recog.c (recog_operand, recog_operand_loc): Kill.
11785 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
11786 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
11787 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
11788 (recog_data): Define.
11789 (extract_insn): Update all recog_foo references to use recog_data.
11790 (preprocess_constraints, constrain_operands): Likewise.
11791 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
11792 * genattrtab.c (main): Likewise.
11793 * genextract.c (main): Likewise.
11794 * genoutput.c: Likewise.
11795 * genrecog.c (write_subroutine, main): Likewise.
11796 * local-alloc.c (block_alloc): Likewise.
11797 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
11798 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
11799 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
11800 * reload.c (find_reloads, find_reloads_toplev): Likewise.
11801 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
11802 (reload_cse_simplify_operands): Likewise.
11804 * arc/arc.c (arc_final_prescan_insn): Likewise.
11805 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
11806 * h8300/h8300.c (notice_update_cc): Likewise.
11807 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
11808 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
11809 * mn10200/mn10200.c (notice_update_cc): Likewise.
11810 * mn10300/mn10300.c (notice_update_cc): Likewise.
11811 * romp/romp.c (update_cc): Likewise.
11812 * sparc/sparc.c (check_pic): Likewise.
11813 * v850/v850.c (notice_update_cc): Likewise.
11815 * genemit.c (main): Don't declare recog_operand.
11817 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
11819 * ggc.h (rtvec_def): Forward declare.
11820 (tree_node): Likewise.
11821 (ggc_root): Define.
11823 (ggc_set_mark_rtx): Add prototype.
11824 (ggc_set_mark_rtvec): Likewise.
11825 (ggc_set_mark_tree): Likewise.
11826 * ggc-simple.c (ggc_root): Don't define.
11827 (roots): Don't declare.
11828 (ggc_mark_rtx): Remove.
11829 (ggc_mark_rtvec): Likewise.
11830 (ggc_mark_tree): Likewise.
11831 (ggc_mark_varray): Likewise.
11832 (ggc_mark_tree_hash_table_entry): Likewise.
11833 (ggc_mark_tree_hash_table): Likewise.
11834 (ggc_set_mart_rtx): New function.
11835 (ggc_set_mark_rtvec): Likewise.
11836 (ggc_set_mark_tree): Likewise.
11837 (ggc_add_root): Remove.
11838 (ggc_add_rtx_root): Likewise.
11839 (ggc_remove_tree_root): Likewise.
11840 (ggc_add_string_root): Likewise.
11841 (ggc_add_tree_varray_root): Likewise.
11842 (ggc_add_tree_hash_table_root): Likewise.
11843 (ggc_del_root): Likewise.
11844 (ggc_mark_rtx_ptr): Likewise.
11845 (ggc_mark_tree_ptr): Likewise.
11846 (ggc_mark_string_ptr): Likewise.
11847 (ggc_mark_tree_varray_ptr): Likewise.
11848 (ggc_mark_tree_hash_table_ptr): Likewise.
11849 * ggc-common.c: New file.
11850 * Makefile.in (OBJS): Add ggc-common.o.
11851 (ggc-common.o): List dependencies.
11853 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
11855 * cppalloc.c (xstrdup): Use memcpy.
11856 * cpperror.c (cpp_print_containing_files): Don't use
11858 * cpplib.c (conditional_skip): Set temp->lineno.
11859 (do_endif): Make error message less obscure.
11860 (if_directive_name): New function.
11861 (cpp_get_token [case EOF]): Unwind the if stack and generate
11862 error messages for each unterminated conditional in this file.
11863 (parse_string): Do not behave differently if -traditional.
11865 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
11867 * builtins.c (expand_builtin_va_arg): Cope with an array-type
11868 va_list decomposing to pointer-type.
11869 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
11870 (rs6000_va_arg): Likewise.
11872 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
11874 * except.c (start_dynamic_handler): Compute size using
11875 STACK_SAVEAREA_MODE.
11877 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11879 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
11880 include directory headers. Don't define strrchr. Don't provide
11881 my_* replacement functions. Prefer PTR over `pointer_type'.
11882 Don't prototype system functions. Don't redefine getopt.
11884 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
11885 safe_read, safe_write, save_pointers, restore_pointers,
11886 is_id_char, in_system_include_dir, directory_specified_p,
11887 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
11888 find_corresponding_lparen, referenced_file_is_newer,
11889 save_def_or_dec, munge_compile_params, gen_aux_info_file,
11890 process_aux_info_file, identify_lineno, check_source,
11891 seek_to_line, forward_to_next_token_char, output_bytes,
11892 output_string, output_up_to, other_variable_style_function,
11893 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
11894 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
11895 find_static_definition, connect_defs_and_decs, add_local_decl,
11896 add_global_decls, needs_to_be_converted, visit_each_hash_node,
11897 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
11898 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
11899 scan_for_missed_items, edit_file, string_list_cons): Add static
11901 (standard_exec_prefix, target_machine, target_version,
11902 default_syscalls_dir, string_list, string_list_cons, find_file,
11903 do_cleaning): Constify a char*.
11904 (safe_read, safe_write): Use PTR, not a char*.
11905 (is_id_char): Take an int, not a char.
11906 (main): Add prototype. Call return, not exit.
11908 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
11910 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
11911 when comparing types.
11913 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
11915 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
11916 (strength_reduce): Release the varrays from the no-bivs early exit.
11918 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
11919 the loop over the registers.
11921 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
11923 (restore_tree_status): Check that instead when freeing the obstack.
11925 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
11927 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
11930 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11932 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
11933 operand size modifiers.
11935 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11937 * c-common.c (c_common_nodes_and_builtins): Don't build
11939 * c-common.h (enum c_tree_index and related accesor macros): Remove
11940 everything now declared in tree.h.
11941 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
11942 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
11943 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
11944 (error_mark_node, void_type_node, char_type_node, integer_type_node,
11945 unsigned_type_node, ptr_type_node, va_list_type_node,
11946 integer_zero_node, null_pointer_node, integer_one_node): Delete.
11947 (init_decl_processing): Call build_common_tree_nodes and
11948 build_common_tree_nodes_2 instead of building their nodes here.
11949 Don't add roots for these nodes.
11950 * stor-layout.c (size_zero_node, size_one_node): Delete.
11951 (set_sizetype): Make a new node for bitsizetype each time.
11952 * tree.c (global_trees): New variable.
11953 (init_obstacks): Add a gc root for it.
11954 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
11955 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
11956 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
11957 (build_common_tree_nodes): New function.
11958 (fix_sizetype): New function.
11959 (build_common_tree_nodes_2): New function.
11960 * tree.h (enum tree_index): New.
11961 (global_trees): Declare.
11962 Add accessor macros for all nodes now moved to global_trees.
11963 Delete their declarations.
11965 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
11967 * c-decl.c (finish_function): When processing a nested function,
11968 push and pop GC context around rest_of_compilation.
11970 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
11972 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
11973 Default ix86_arch to PROCESSOR_I386.
11974 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
11975 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
11976 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
11977 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
11978 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
11979 (EXTRA_SPECS): Remove deleted specs.
11981 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
11983 * function.c (assign_stack_local_1): Allocate from
11984 function->x_frame_offset, not frame_offset.
11986 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
11988 * ggc.h (lang_cleanup_tree): Remove.
11989 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
11990 * ggc-callbacks.c (lang_cleanup_tree): Remove.
11992 * c-decl.c (finish_struct): Use ggc_alloc to allocate
11993 TYPE_LANG_SPECIFIC when garbage collecting.
11994 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
11995 (lang_cleanup_tree): Remove.
11997 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
11999 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
12000 * crtstuff.c: Not here.
12001 * dwarf2out.c: Or here.
12002 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
12005 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
12007 * function.h (free_after_compilation): Remove decl parameter.
12008 (free_varasm_status0: Likewise.
12009 (free_emit_status): Likewise.
12010 (free_stmt_status): Likewise.
12011 (free_after_compilation): Likewise.
12012 (init_lang_status): New variable.
12013 (free_lang_status): Likewise.
12014 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
12015 * function.c (init_lang_status): New variable.
12016 (free_lang_status): Likewise.
12017 (push_function_context_to): Don't set function::decl here.
12018 (free_after_copmilation): Make decl parameter implicit. Call
12019 free_lang_status if defined.
12020 (prepare_function_start): Call init_lang_status if defined.
12021 (init_function_start): Set function::decl here.
12022 * profile.c (output_func_start_profiler): Don't call pushdecl
12023 until we've actually started the function.
12024 * stmt.c (free_stmt_status): Make decl parameter implicit.
12025 * toplev.c (rest_of_compilation): Don't pass decl to
12026 free_after_compilation.
12027 * varasm.c (free_varasm_status): Likewise.
12029 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12031 * except.c (call_get_eh_context): Add root when allocating static
12034 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
12036 * arm.c: Include "ggc.h".
12037 (arm_add_gc_roots): New function.
12038 (arm_override_options): Call it.
12039 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
12041 * arm.md (define_asm_attributes): Add a pool_range attribute.
12043 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
12045 * extend.texi (Volatiles): New node.
12047 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
12049 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
12050 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
12051 (struct ggc_any): Replace `mark' with `magic_mark'.
12052 (ggc_alloc_string): Use memcpy, not bcopy.
12053 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
12054 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
12055 (ggc_free_any): New.
12056 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
12057 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
12058 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
12059 Use IS_MARKED. Use ggc_free_any.
12061 1999-09-09 Scott Bambrough <scottb@netwinder.org>
12063 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
12065 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
12067 * toplev.c (main): Always init_ggc.
12069 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
12071 * except.c (find_all_handler_type_matches): Free the list if
12072 we found no matches.
12074 * combine.c (SUBST): Break out to a real function do_SUBST.
12075 (SUBST_INT): Likewise.
12076 * gcse.c (free_pre_mem): Free `temp_bitmap'.
12077 (pre_insert): Free `inserted'.
12078 * loop.c (basic_induction_var): Always set `location'.
12080 * function.c (expand_function_end): Add initial_trampoline as a root.
12081 * rtl.h (init_varasm_once): Declare.
12082 * toplev.c (compile_file): Call it.
12083 * ggc-simple.c (ggc_mark_string_ptr): New.
12084 (ggc_add_string_root): New.
12085 (ggc_collect): Disable collection avoidance temporarily.
12086 * ggc.h (ggc_add_string_root): Declare.
12087 * except.c (create_rethrow_ref): Use ggc_alloc_string.
12088 * optabs.c (init_libfuncs): Likewise.
12089 * varasm.c (named_section): Use ggc_alloc_string.
12090 (make_function_rtl): Likewise.
12091 (make_decl_rtl): Likewise.
12092 (assemble_static_space): Likewise.
12093 (assemble_trampoline_template): Likewise.
12094 (output_constant_def): Likewise.
12095 (force_const_mem): Likewise.
12096 (mark_const_hash_entry): New.
12097 (mark_pool_sym_hash_table): New.
12098 (mark_varasm_state): Use it.
12099 (init_varasm_once): New.
12101 * expr.h (init_one_libfunc): Declare.
12102 * optabs.c (init_one_libfunc): New.
12103 (init_optabs): Use it.
12104 * config/gofast.h: Likewise.
12105 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
12106 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
12108 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
12110 * Makefile.in (cppexp.o): Depend on cpphash.h.
12111 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
12113 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
12114 * cpplib.c (do_define): Generalise to handle poisoned definitions,
12115 redefining poisoned identifiers, etc.
12116 (do_undef): Don't allow poisoned identifiers to be undefined.
12117 (do_pragma): Add #pragma poison.
12118 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
12120 * cccp.c: Add T_POISON node type.
12121 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
12123 (do_define): Generalise to handle poisoned definitions,
12124 redefining poisoned identifiers, etc.
12125 (do_undef): Don't allow poisoned identifiers to be undefined.
12126 (do_pragma): Add #pragma poison.
12127 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
12129 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
12130 * c-pragma.h: Add ps_poison state. We now always have generic
12133 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
12135 * ggc.h (ggc_alloc): New function.
12136 (ggc_mark): Likewise.
12137 * ggc-simple.c (ggc_any): New structure.
12138 (ggc_status): Add anys.
12139 (n_anys_collected): New variable.
12140 (ggc_alloc): Define.
12141 (ggc_mark): Likewise.
12142 (ggc_collect): Collect the anys.
12144 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12146 * c-decl.c (mark_binding_level): Make static to match prototype.
12148 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
12150 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
12152 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
12154 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
12155 will use into account. Expand the max width to 5.
12158 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
12160 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
12161 for the rtx length.
12163 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
12165 * alpha.md (call value patterns): Remove the result predicates.
12167 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
12169 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
12172 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12174 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
12175 changed from extern char *, to extern PTR. Also fix typo in
12176 NEED_DECLARATION_REALLOC test.
12178 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
12180 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12182 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
12183 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
12184 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
12185 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
12187 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
12189 * cccp.c (pcfinclude): Likewise.
12191 * global.c (allocno_compare): Likewise.
12193 * haifa-sched.c (rank_for_schedule): Likewise.
12195 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
12197 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
12199 * stupid.c (stupid_reg_compare): Likewise.
12201 * tree.c (_obstack_allocated_p): Likewise.
12203 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
12205 1999-09-08 Bruce Korb autogen@linuxbox.com
12207 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
12208 why "gperf -F" fails.
12209 * gcc/cp/Makefile.in: ditto
12210 * gcc/Makefile.in: ditto
12211 * gcc/java/Makefile.in: ditto
12213 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
12215 * lists.c: Include ggc.h.
12217 (init_EXPR_INSN_LIST_cache): Install it.
12219 * ggc-simple.c (init_ggc): Absorb the old init.
12220 (ggc_push_context): Use xcalloc.
12221 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
12222 (ggc_collect): Add [rvts] tags to the collection stats.
12224 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
12226 * cccp.c (main): Fix handling of -include and -imacros options.
12228 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
12230 * cpplib.c (cpp_push_buffer): Fix order of arguments.
12232 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12234 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
12237 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
12239 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
12240 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
12241 and SET_DEST. Update comment.
12243 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12245 * config/c4x/c4x.c: Include ggc.h.
12246 (c4x_add_gc_roots): New function.
12247 (c4x_override_options): Call c4x_add_gc_roots.
12249 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
12251 * defaults.h (TARGET_ESC): Move ...
12252 * system.h: ... here, where Linas had it in the first place. Silly me.
12254 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
12256 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
12257 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
12258 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
12259 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
12260 * defaults.h (TARGET_ESC): Add default.
12262 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
12264 * configure.in: add i370-*-openedition, i370-*-mvs and
12265 i370-*-linux targets
12267 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
12269 * dsp16xxx.c: Include ggc.h
12270 (override_options): Mark GC roots.
12271 * mn10200.c: Include ggc.h.
12272 (asm_file_start): Mark GC roots.
12273 * tahoe.c: Include ggc.h.
12274 (extensible_operand): Mark GC roots.
12276 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
12278 * README: Add section discussing status of ELF ABI.
12279 * i370.c: Fix misc spelling mistakes.
12280 (i370_label_scan): Updated notes, exception handling.
12281 (i370_function_prolog): Simplify ELF stack handling.
12282 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
12283 (STACK_GROWS_DOWNWARD): ELF stack grows down.
12284 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
12285 * i370.md: (movdi): Add notes.
12286 (floatsidf2): Use stack not rtca for scratch float area.
12287 (iorsi3): Correct operand constraints.
12288 * x-oe: Restore TAROUTOPTS which are used by pax.
12290 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
12292 * rs6000.c: Include ggc.h.
12293 (rs6000_add_gc_roots): New function.
12294 (override_options): Call it.
12296 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
12298 * alpha.h (alpha_compare): New.
12299 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
12300 * alpha.c: Likewise for the definitions.
12301 (alpha_emit_conditional_branch): Update for alpha_compare.
12302 (alpha_emit_conditional_move): Likewise.
12303 * alpha.md (cmpdf, cmpdi): Likewise.
12304 (setcc patterns): Likewise. Zero alpha_compare after use.
12305 (sne): Optimize (x != 0) into (0U < x).
12307 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
12309 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
12310 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
12311 (INIT_EXPANDERS): Remove.
12312 * alpha.c: Include ggc.h.
12313 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
12314 (alpha_init_machine_status, alpha_mark_machine_status): New.
12315 (override_options): Install them.
12316 (struct machine_function): Moved to alpha.h.
12317 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
12318 (alpha_init_expanders): Remove.
12319 (alpha_return_addr): Adjust to use current_function->machine.
12320 (alpha_ra_ever_killed): Likewise.
12321 (alpha_expand_epilogue): Likewise.
12322 * alpha.md (eh_epilogue): Likewise.
12324 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
12325 Melissa O'Neill <oneill@cs.sfu.ca>
12326 Geoffrey Keating <geoffk@cygnus.com>
12328 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
12329 call-used registers (call-saved registers must still be contiguous
12330 and end with r31, of course).
12332 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
12334 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
12335 (self_promoting_type_p): Delete.
12336 (self_promoting_args_p): Move ...
12337 * c-common.c: ... here.
12338 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
12339 (simple_type_promotes_to): New.
12340 * builtins.c (lang_type_promotes_to): New.
12341 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
12342 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
12343 * c-common.h: ... here.
12344 (self_promoting_args_p, simple_type_promotes_to): Declare.
12345 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
12346 (grokdeclarator): Likewise.
12347 * tree.h (lang_type_promotes_to): Declare.
12349 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
12351 Add some machine-dependent GC roots.
12352 * sparc.c: Include ggc.h.
12353 (sparc_add_gc_roots): New function.
12354 (mark_ultrasparc_pipeline_state): Likewise.
12355 (override_options): Call sparc_add_gc_roots.
12356 * pa.c: Include ggc.h.
12357 (pa_add_gc_roots): New function.
12358 (mark_deferred_plabels): Likewise.
12359 (override_options): Call pa_add_gc_roots.
12360 * mips.c: Include ggc.h.
12361 (mips_add_gc_roots): New function.
12362 (override_options): Use it.
12364 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12366 * cpperror.c (cpp_file_line_for_message): Constify a char*.
12368 * cppexp.c (parse_number, parse_charconst, cpp_lex,
12369 cpp_parse_expr): Add static prototypes.
12370 (parse_charconst): Don't cast away const-ness.
12371 (token): Constify a char*.
12373 * cppfiles.c (file_name_list, include_hash, find_include_file,
12374 finclude, initialize_input_buffer): Constify a char*.
12375 (file_cleanup, find_position): Add static prototypes.
12377 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
12378 collect_expansion): Add static prototypes.
12379 (cpp_install, create_definition, monthnames): Constify a char*.
12381 * cpphash.h (cpp_install): Likewise.
12383 * cppinit.c (known_suffixes, default_include,
12384 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
12385 (base_name, dump_special_to_buffer, initialize_dependency_output):
12386 Add static prototypes.
12388 * cpplib.c (my_strerror): Constify a char*.
12389 (null_underflow, null_cleanup, skip_comment, copy_comment,
12390 copy_rest_of_line, handle_directive, pass_thru_directive,
12391 get_directive_token, read_line_number, cpp_print_file_and_line,
12392 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
12393 v_cpp_warning_with_line, detect_if_not_defined,
12394 consider_directive_while_skipping): Add static prototypes.
12395 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
12396 cpp_pedwarn_with_file_and_line): Constify a char*.
12398 * cpplib.h (cpp_options, include_hash, progname, definition,
12399 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
12400 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
12401 find_include_file, deps_output, include_hash): Constify a char*.
12403 * cppmain.c (progname): Constify.
12404 (main): Add prototype. Use return, not exit.
12406 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
12407 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
12408 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
12409 check_protection): Add static prototype.
12411 (progname, recognized_macrom, recognized_extern): Constify a char*.
12412 (main): Add prototype.
12414 * gen-protos.c (progname): Constify a char*.
12416 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
12418 * emit-rtl.c (free_emit_status): Take decl as a parameter.
12419 (init_emit_once): Add more GC roots.
12420 * except.c (mark_func_eh_entry): New function.
12421 (mark_eh_node): Mark false_label and rethrow_label.
12422 (init_eh): Add more GC roots.
12423 * function.c (free_after_compilation): Take decl as a paramter.
12424 Call free_stmt_status.
12425 (mark_function_state): Don't assume x_parm_reg_stack_loc is
12427 * function.h (free_after_compilation): Change prototype.
12428 (free_varasm_status): Likewise.
12429 (free_emit_status): Likewise.
12430 (free_stmt_status): New function.
12431 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
12432 Remove, replacing with ...
12433 (ggc_status): New structure.
12434 (ggc_chain): New variable.
12435 (init_gcc): Define.
12436 (ggc_push_context): New function.
12437 (ggc_pop_context): Likewise.
12438 (ggc_alloc_rtx): Adjust for use of ggc_chain.
12439 (ggc_alloc_rtvec): Likewise.
12440 (ggc_alloc_tree): Likewise.
12441 (ggc_alloc_string): Likewise.
12442 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
12443 (ggc_mark_tree): Give language-dependent code a chance to mark
12445 (ggc_mark_tree_varray): Handle empty arrays.
12446 (ggc_collect): Adjust for use of ggc_chain. Clear
12447 bytes_alloced_since_last_gc.
12448 * ggc.h (ggc_pop_context): New function.
12449 (ggc_push_context): Likewise.
12450 * print-tree.c (print_node): Don't print obstacks when GC'ing.
12451 * stmt.c (free_stmt_status): New function.
12452 (init_stmt_for_function): Clear last_expr_value.
12453 * toplev.c (rest_of_compilation): Always call free_after_compilation.
12454 Conditionalize call to ggc_collect.
12455 (main): Call init_ggc.
12456 * tree.c (push_obstacks): Do the push, even when GC'ing.
12457 (push_obstacks_nochange): Likewise.
12458 (pop_obstacks): Liekwise.
12459 * varasm.c (free_varasm_status): Take decl as a parameter.
12461 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
12463 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
12464 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
12465 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
12466 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
12468 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
12470 * pa/x-pa-mpeix: New file for the MPE port.
12472 * pa/quadlib.asm: New file for long double support.
12474 * configure.in: Add hppa1.0-*-mpeix for MPE port.
12475 * configure: Rebuilt.
12477 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
12479 * final.c (shorten_branches): Fix last change.
12481 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
12483 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
12485 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
12487 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
12490 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12492 * c-aux-info.c (concat): Don't define.
12494 * cccp.c (my_strerror): Likewise. All callers changed to use
12496 (do_include): Call xstrdup, not xmalloc/strcpy.
12497 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
12498 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
12500 * collect2.c (my_strsignal): Likewise. All callers changed to use
12502 (locatelib): Call xstrdup, not xmalloc/strcpy.
12504 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
12506 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
12508 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
12510 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
12512 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
12514 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
12516 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
12518 (find_all_handler_type_matches): Likewise. Don't check return
12520 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
12521 xmalloc, not malloc.
12522 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
12524 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
12525 (init_spec): Call xcalloc, not xmalloc/bzero.
12526 (set_spec): Call xstrdup, not save_string.
12527 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
12528 (find_a_file): Call xstrdup, not xmalloc/strcpy.
12529 (process_command): Call xstrdup, not save_string.
12530 (main): Call xcalloc, not xmalloc/bzero.
12532 * gcov.c (xmalloc): Don't define.
12533 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
12534 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
12535 (output_data): Call xcalloc, not xmalloc/bzero.
12537 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
12539 * mips-tdump.c (xmalloc): Don't define.
12540 (print_symbol): Call xmalloc, not malloc.
12541 (read_tfile): Call xcalloc, not calloc.
12543 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
12544 Don't define. All callers of xfree/my_strsignal changed to use
12545 free/strsignal instead.
12546 (allocate_cluster): Call xcalloc, not calloc.
12548 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
12549 Fix memory leak, free allocated memory.
12551 * prefix.c (translate_name): Call xstrdup, not save_string.
12552 (update_path): Likewise.
12554 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
12556 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
12557 Don't define. Callers of xfree/savestring2 changed to use
12558 free/concat instead.
12560 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
12561 (init_elim_table): Likewise.
12563 * resource.c (init_resource_info): Likewise.
12565 * stupid.c (stupid_life_analysis): Likewise.
12567 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
12568 (open_dump_file): Call concat, not xmalloc/strcpy/...
12569 (clean_dump_file): Likewise.
12570 (compile_file): Call xstrdup, not xmalloc/strcpy.
12572 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
12574 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
12575 * v850.c (v850_va_arg): New.
12577 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12579 * haifa-sched.c: Tidy comments.
12581 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12583 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
12584 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
12585 $(out_object_file)): Depend on ggc.h.
12586 * c-common.c: Include "ggc.h".
12587 (combine_strings): If doing GC, use ggc_alloc_string.
12588 * c-decl.c: Include "ggc.h".
12589 (ggc_p): Define with value 0.
12590 (mark_binding_level): New function.
12591 (init_decl_processing): Add GC roots.
12592 (mark_c_function_context): New function.
12593 (lang_mark_false_label_stack): New function.
12594 (lang_mark_tree): New function.
12595 (lang_cleanup_tree): New function.
12596 * c-lang.c: Include "ggc.h".
12597 (lang_init): Call c_parse_init.
12598 * c-lex.c: Include "ggc.h".
12599 (check_linenum): If doing GC, don't copy filenames to permanent
12601 * c-parse.in: Include "ggc.h".
12602 (c_parse_init): New function.
12603 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
12604 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
12606 * except.c (mark_eh_state): Mark more state.
12607 * function.c (mark_function_state): Likewise.
12608 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
12609 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
12610 * toplev.c (mark_file_stack): New function.
12611 (compile_file): If doing GC, use ggc_alloc_string on input filename.
12612 (main): Add root for input_file_stack.
12614 * i386.c: Include "ggc.h".
12615 (ix86_mark_machine_status): New function.
12616 (override_options): Set mark_machine_status.
12618 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12620 * tree.c (copy_node): Copy node contents also if doing GC.
12622 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12624 * collect2.c (scan_libraries): Fix double-thinko :-).
12626 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
12628 * collect2.c (scan_libraries): Fix thinko.
12630 * cse.c (delete_trivially_dead_insns): Do not skip the last
12631 insn if it is a real insn.
12633 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
12635 * Makefile.in (ggc-simple.o): Depend on hash.h.
12636 * ggc.h (ggc_add_tree_hash_table_root): Declare.
12637 (ggc_mark_tree_varray): Likewise.
12638 (ggc_mark_tree_hash_table): Likewise.
12639 * ggc-simple.c: Include hash.h.
12640 (ggc_mark_tree_hash_table_ptr): New function.
12641 (ggc_mark_tree_hash_table_entry): Likewise.
12642 (ggc_mark_tree_hash_table): Likewise.
12643 (ggc_add_tree_hash_table_root): Likewise.
12644 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
12645 rtx, when defining fields.
12647 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12649 * profile.c (output_func_start_profiler): Remove apparently
12650 nonsensical call to start_sequence.
12652 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
12654 * clipper/clipper.c (clipper_va_start): Fix typos.
12656 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
12657 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
12658 (spur_va_arg): New stub.
12660 * configure.in: Comment out pyramid.
12662 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
12664 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
12665 don't conflict with the bits that win32, cygwin, and dgux
12668 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
12669 Bernd Schmidt <bernds@cygnus.co.uk>
12671 * integrate.c (function_cannot_inline_p): Do not inline
12672 functions with forced labels.
12674 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
12675 Bernd Schmidt <bernds@cygnus.co.uk>
12676 Mark Mitchell <mark@codesourcery.com>
12678 * Makefile.in (ggc-simple.o): Depend on varray.h.
12679 (rtl.o): Depend on ggc.h.
12680 (genattrtab.o): Depend on ggc.h.
12681 (print-tree.o): Likewise.
12682 (fold-const.o): Likewise.
12683 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
12684 (make_insn_raw): Don't cache insns when GC'ing.
12685 (emit_insn_before): Likewise.
12686 (emit_insn_after): Likewise.
12687 (emit_insn): Likewise.
12688 (start_sequence): Use xmalloc to allocate the sequence_stack.
12689 (end_sequence): Add free to free it.
12690 (gen_sequence): Don't cache insns when GC'ing.
12691 (clear_emit_caches): Don't use sequence_element_free_list.
12692 (init_emit): Use xcalloc, not xmalloc+bzero.
12693 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
12694 * function.c (pop_function_context_from): Use free to free the
12695 fixup_var_refs_queue.
12696 (put_reg_into_stack): Allocate it with xmalloc.
12697 * genattrtab.c: Include ggc.h.
12698 (operate_exp): Don't use obstack_free when GC'ing.
12699 (simplify_cond): Likewise.
12700 (simplify_text_exp): Likewise.
12701 (optimize_attrs): Likewise.
12702 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
12704 (gencode): Generate a #include for ggc.h.
12705 * ggc-callbacks.c (ggc_p): Define it to zero.
12706 * ggc-none.c (ggc_p): Likewise.
12707 * ggc-simple.c: Include varray.h.
12708 (ggc_mark_tree_varray): New function.
12709 (ggc_add_tree_varray_root): Likewise.
12710 (ggc_mark_tree_varray_ptr): Likewise.
12711 * ggc.h (ggc_p): Declare.
12712 (varray_head_tag): Likewise.
12713 (ggc_add_tree_varray_root): Declare.
12714 * print-tree.c (print_node): Don't check for TREE_PERMANENT
12715 inconsistencies when GC'ing.
12716 * rtl.c: Include ggc.h.
12717 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
12718 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
12719 (rtx_free): Don't call obstack_free when GC'ing.
12720 * toplev.c (rest_of_compilation): Call ggc_collect after every
12722 * tree.c (push_obstacks): Do nothing, if GC'ing.
12723 (pop_obstacks_nochange): Likewise.
12724 (pop_obstacks): Likewise.
12725 (make_node): Use ggc_alloc_tree when GC'ing.
12726 (copy_node): Likewise.
12727 (get_identifier): Use ggc_alloc_string when GC'ing.
12728 (build_string): Likewise.
12729 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
12730 (tree_cons): Likewise.
12731 (build1): Likewise.
12732 (type_hash_canon): Don't call obstack_free when GC'ing.
12734 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
12736 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
12737 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
12739 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
12740 Bernd Schmidt <bernds@cygnus.co.uk>
12741 Mark Mitchell <mark@codesourcery.com>
12743 * Makefile.in (stor-layout.o): Depend on ggc.h.
12744 (expr.o): Depend on ggc.h.
12745 (profile.o): Depend on ggc.h.
12746 (stor-layout.o): Depend on ggc.h.
12747 * emit-rtl.c (init_emit_once): Add gc roots.
12748 * expr.c: Include ggc.h.
12749 (emit_block_move): Add gc roots.
12750 (clear_storage): Likewise.
12751 * expr.h (init_stor_layout_once): New function.
12752 * profile.c: Include ggc.h.
12753 (init_arc_profiler): profiler_label is a root.
12754 * scan.c (make_sstring_space): Trust xrealloc to function
12755 correctly with first parameter NULL.
12756 * stor-layout.c: Include ggc.h.
12757 (set_sizetype): Add gc root.
12758 (init_stor_layout_once): New function.
12759 * toplev.c (compile_file): Call it.
12761 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
12762 Bernd Schmidt <bernds@cygnus.co.uk>
12763 Mark Mitchell <mark@codesourcery.com>
12765 * Makefile.in (tree.o): Depend on ggc.h.
12766 (varasm.o): Likewise.
12767 (function.o): Likewise.
12768 (stmt.o): Likewise.
12769 (except.o): Likewise.
12770 (optabs.o): Likewise.
12771 (emit-rtl.o): Likewise.
12772 * emit-rtl.c: Include ggc.h.
12773 (sequence_element_free_list): Remove, and all references.
12774 (mark_sequence): New functions.
12775 (mark_emit_state): New function.
12776 * except.c: Include ggc.h.
12777 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
12778 (mark_tree_label_node): New functions.
12779 (mark_eh_state): New function.
12780 * function.c: Include ggc.h.
12781 (mark_temp_slot, mark_function_chain): New functions.
12782 (mark_function_state): New function.
12783 (init_function_once): New function.
12784 * function.h (init_function_once): New function.
12785 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
12786 * ggc.h (label_node): Declare.
12787 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
12788 (lang_mark_false_label_stack): New function.
12789 (mark_temp_slot): Remove declaration.
12790 (mark_function_chain): Likewise.
12791 (mark_eh_state): Adjust prototype.
12792 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
12794 * optabs.c: Include ggc.h.
12795 (mark_optab): New function.
12796 (init_optabs): Add gc roots.
12797 * stmt.c: Include ggc.h.
12798 (mark_cond_nesting, mark_loop_nesting): New functions.
12799 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
12800 (mark_stmt_state): New function.
12801 * toplev.c (compile_file): Call init_function_once.
12802 * tree.c: Include ggc.h.
12803 (type_hash): Move declaration earlier in file.
12804 (TYPE_HASH_SIZE, type_hash_table): Likewise.
12805 (init_obstacks): Add gc roots.
12806 (mark_type_hash): New function.
12807 * varasm.c: Include ggc.h.
12808 (mark_pool_constant): New function.
12809 (mark_varasm_state): New function.
12811 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12813 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
12815 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12817 * c-decl.c (struct language_function): Renamed from struct c_function.
12819 (c_function_chain): Delete.
12820 (push_c_function_context): New arg F. Don't warn about nested
12821 functions here. Fill LANGUAGE elt of F. Delete code to update
12822 c_function_chain. Don't call push_function_context.
12823 (pop_c_function_context): New arg F. Restore from there instead of
12824 from c_function_chain. Don't call pop_function_context. Clear out
12825 LANGUAGE field of F when done.
12826 * c-lang.c: Include "function.h"
12827 (lang_init): Initialize save_lang_status and restore_lang_status.
12828 * c-parse.in (nested_function, nested_function_notype): Warn about
12829 nested functions. Call push_function_context/pop_function_context
12830 instead of the _c_ variants.
12831 * c-tree.h (push_c_function_context, pop_c_function_context): Update
12833 * Makefile.in (c-lang.o): Update dependencies.
12835 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
12836 regno_pointer_flag, regno_pointer_align.
12837 (gen_reg_rtx): Use xrealloc to enlarge them.
12838 (free_emit_status): New function.
12839 * function.c (mark_machine_status, mark_lang_status): New variables.
12840 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
12841 in some bits from assign_stack_local. All callers changed to use new
12843 (assign_stack_local): Just call assign_stack_local_1.
12844 (free_after_compilation): New function.
12845 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
12846 (trampoline_address): Likewise.
12847 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
12848 (prepare_function_start): Explicitly clear some more variables.
12849 * function.h (struct function): New elt can_garbage_collect.
12850 (mark_machine_status, mark_lang_status): Declare variables.
12851 (free_after_compilation, free_emit_status, free_varasm_status,
12852 init_varasm_status): Declare functions.
12853 * toplev.c (rest_of_compilation): Call free_after_compilation when
12854 done with the current function.
12855 * varasm.c (free_varasm_status): New function.
12857 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
12859 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
12860 (EXPAND_BUILTIN_VA_ARG): Define.
12861 * sparc.c (sparc_va_start): New.
12862 (sparc_va_arg): New.
12864 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12866 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
12868 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12870 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
12872 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
12874 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
12875 (OBJS): Add $(GGC).
12876 (ggc-callbacks.o): New target.
12877 * ggc-callbacks.c: New file.
12879 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12881 * expr.h: Collapse individual optab and libfunc vars to arrays.
12882 (optab_index, libfunc_index): New enumerations.
12883 (optab_table, libfunc_table): New arrays.
12884 Add accessor macros for both.
12886 * optabs.c (optab_table, libfunc_table): New.
12887 Delete declarations for individual optab and libfunc vars.
12889 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
12891 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
12893 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
12895 * Makefile.in (GGC, GGC_LIB): New.
12896 (HOST_RTL): Include ggc-none.o.
12897 (ggc-simple.o): New target.
12898 (ggc-none.o): Likewise.
12899 * tree.h (tree_common): Add gc_mark.
12900 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
12901 (struct rtvec_def): Add gc_mark.
12902 * emit-rtl.c (global_rtl): Update static initializers to contain
12903 enough initializers.
12904 * ggc.h, ggc-none.c, ggc-simple.c: New files.
12905 * toplev.c (gc_time): New variable.
12906 (all_time): New variable.
12907 (compile_file): Print gc time.
12908 (print_time): Calculate percentage of the whole.
12910 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12912 Change obstack memory management and varasm constant pool handling so
12913 that nested functions are treated like any other functions.
12914 * function.c (init_machine_status): New variable.
12915 (push_function_context_to): Set contains_functions for the outer
12916 function. Don't call save_varasm_status.
12917 (pop_function_context_from): Don't call restore_varasm_status. Don't
12918 set current_function_contains_functions.
12919 (prepare_function_start): Call init_varasm_status rather than
12920 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
12922 * function.h (struct function) Add field varasm. Delete fields
12923 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
12924 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
12925 (init_machine_status): Declare.
12926 (save_varasm_status, restore_varasm_status): Delete declarations.
12927 (save_tree_status, restore_tree_status): Delete last argument.
12928 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
12929 code. All callers changed.
12930 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
12931 save_constants_in_decl_trees, restore_constants, save_constants,
12932 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
12934 (inlining): New variable.
12935 (reg_map, label_map, insn_map, orig_asm_operands_vector,
12936 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
12938 (save_for_inline_nocopy): Don't save constants.
12939 Don't set inl_emit field in current_function.
12940 (expand_inline_function): Use emit field, not inl_emit, of the inlined
12941 function. Set new variable inlining before
12942 calling copy_rtx_and_substitute.
12943 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
12944 constant pool references if inlining is nonzero.
12945 Delete ADDRESS and (most of the) CONST cases.
12946 (output_inline_function): Save and restore current_function/
12947 current_function_decl. Delete restore_constants code. Don't call
12948 init_const_rtx_hash_table.
12949 * output.h (init_const_rtx_hash_table): Don't declare.
12950 * rtl.h (struct function): Declare.
12951 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
12952 * toplev.c (rest_of_compilation): Don't treat nested functions or
12953 functions containing them specially. Delete all code to deal with
12954 save_for_inline_copying.
12955 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
12956 inline_obstacks): Delete variables.
12957 (save_tree_status): Lose arg CONTEXT. All callers changed.
12958 Simply allocate a new function_maybepermanent_obstack for the new
12959 function, delete all the special cases.
12960 Don't save inline_obstacks.
12961 (restore_tree_status): Lose arg CONTEXT. All callers changed.
12962 Delete special handling for function_maybepermanent_obstack; simply
12964 Don't restore inline_obstacks.
12965 (permanent_allocation): Delete code that frees inline_obstacks.
12966 (print_inline_obstack_statistics): Delete function.
12967 (dump_tree_statistics): Don't call it.
12968 * varasm.c (struct varasm_status): New.
12969 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
12970 last_pool, pool_offset, const_double_chain): Delete global
12971 variables, replace with accessor macros.
12972 (immed_double_const): Don't walk const_double_chain outside a
12973 function, but don't treat nested functions specially anymore.
12974 (immed_real_const_1): Likewise.
12975 (clear_const_double_mem): Don't treat nested functions specially.
12976 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
12977 (save_varasm_status, restore_varasm_status): Delete functions.
12978 (init_varasm_status): New function.
12979 (force_const_mem): Don't treat nested functions specially.
12980 (find_pool_constant): Accept new arg F, search for constants in
12981 that function's pool rather than the current one. All callers
12983 (get_pool_constant_for_function, get_pool_mode_for_function): New
12986 * i386.c (init_386_machine_status): New function, mostly from
12987 clear_386_stack_locals.
12988 (struct machine_functions): Rename element names to avoid name
12990 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
12991 macros, replacing global variables.
12992 (clear_386_stack_locals, save_386_machine_status,
12993 restore_386_machine_status): Delete functions.
12994 (override_options): Initialize init_machine_status.
12995 * i386.h (INIT_EXPANDERS): Delete macro.
12996 (save_386_machine_status, restore_386_machine_status,
12997 clear_386_stack_locals): Delete declarations.
12999 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13001 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
13002 (doloop_begin): Simplify pattern and use emit_jump_insn.
13003 (doloop_end): Simplify pattern, switch operand order,
13004 and use emit_jump_insn.
13006 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
13008 * function.h (struct function): Add new element LANGUAGE.
13009 (save_lang_status): Declare new variable.
13010 (restore_lang_status): Likewise.
13011 * function.c (save_lang_status): Define.
13012 (restore_lang_status): Likewise.
13013 (push_function_context_to): Call language-specific save function.
13014 (pop_function_context_from): Call language-specific restore function.
13016 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
13018 * i386.md (movsf_1): Check REG_P before use of REGNO.
13019 (movdf_1): Likewise.
13020 (movxf_1): Likewise.
13021 (extendsfdf2): Likewise.
13022 (extendsfxf2): Likewise.
13023 (extenddfxf2): Likewise.
13025 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13027 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
13028 constants into memory.
13029 (c4x_shiftable_constant): New function.
13030 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
13031 (c4x_shiftable_constant): Declare.
13032 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
13033 ashlqi3_noclobber): Add new patterns and associated splitters.
13035 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
13037 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
13038 * dwarf2out.c (dwarf2out_frame_init): Likewise.
13039 * final.c (shorten_branches): Likewise.
13040 * global.c (global_alloc): Likewise.
13041 * haifa-sched.c (build_control_flow): Likewise.
13042 * stmt.c (check_for_full_enumeration_handling): Likewise.
13043 (estimate_case_costs): Likewise.
13045 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
13047 * rtl.h (RTL_CHECKC2): Fix typo in last change.
13049 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
13051 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
13052 (recompute_reg_usage): Likewise.
13053 * rtlanal.c (find_regno_fusage): Likewise.
13055 * rtl.c (rtl_check_failed_code1): New function.
13056 (rtl_check_failed_code2): New.
13057 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
13058 (RTL_CHECKC1, RTL_CHECKC2): New.
13059 (XC*): New accessor macros.
13060 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
13061 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
13062 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
13063 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
13064 (TRAP_*, RANGE_INFO_*): Likewise.
13066 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13068 * Makefile.in (tlink.o): Don't depend on toplev.h.
13070 * collect2.c (c_file, o_file, export_file, import_file, ldout,
13071 output_file, nm_file_name, ldd_file_name, strip_file_name,
13072 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
13073 add_prefix, prefix_from_env, prefix_from_string, do_wait,
13074 fork_execute, maybe_unlink, add_to_list,
13075 extract_init_priority, write_list, dump_list,
13076 dump_prefix_list, write_list_with_asm, write_c_file,
13077 write_c_file_stat, write_c_file_glob, scan_prog_file,
13078 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
13079 ignore_library, extract_string, notice, dump_file, target_machine,
13080 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
13081 read_file, print_load_command): Constify a char*.
13082 (fdopen, error, fatal, fatal_perror): Don't prototype.
13083 (my_strerror): Remove. All callers use xstrerror instead.
13084 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
13085 (main): Add prototype. Constify lots of char* ptrs. Change calls
13086 to xcalloc/strcpy/strcat/... to one call to concat.
13087 (main, scan_prog_file, scan_libraries): Use an intermediate
13088 `const char **' to build an argv array.
13089 (mapfile, libselect, libcompare, locatelib): Add prototypes.
13091 * collect2.h (collect_execute, collect_wait, dump_file,
13092 file_exists): Constify a char*.
13093 (ldout, c_file_name, temporary_obstack, permanent_obstack,
13094 temporary_firstobj, vflag, debug): Add extern declarations.
13095 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
13097 * tlink.c: Don't include toplev.h.
13098 (vflag, debug, ldout, c_file_name, temporary_obstack,
13099 permanent_obstack, temporary_firstobj): Don't declare.
13100 (tlink_execute, frob_extension, symbol_hash_lookup,
13101 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
13102 recompile_files, read_repo_files, demangle_new_symbols,
13103 scan_linker_output): Constify a char*.
13104 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
13105 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
13107 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
13109 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
13110 (relative) rather than jsr (absolute) subroutine call insns.
13111 * config/m68k/m68k-coff.h: Ditto.
13113 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
13115 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
13116 now rework these too.
13117 (arm_reorg): If an insn can't reach the end of the current pool,
13118 ensure that we emit that pool before the insn.
13120 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
13122 * tlink.c (scan_linker_output): Skip the initial underscore in
13123 a mangled name if appropriate.
13125 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13127 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
13128 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
13129 error_with_ivar, gen_declarator, create_builtin_decl,
13130 my_build_string, generate_descriptor_table, generate_ivars_list,
13131 generate_dispatch_table, check_protocols, TAG_GETCLASS,
13132 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
13133 dump_base_name, lang_decode_option, build_encode_expr,
13134 start_class, finish_class, encode_pointer, really_start_method,
13135 gen_declaration, dump_interface, handle_class_ref, handle_impent):
13137 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
13138 Add static prototypes.
13139 (build_objc_string_decl, build_selector_reference_decl,
13140 encode_bitfield, build_class_reference_decl): Remove unused
13141 parameter, all callers changed.
13142 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
13143 (objc_printable_name): Likewise. Change second parameter to type int.
13144 (init_objc): Use memcpy, not bcopy, to avoid casts.
13146 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
13148 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
13149 reg notes on a deleted insn.
13150 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
13152 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
13154 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
13156 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13158 * stmt.c (expand_asm_operands): Fix index into inout_mode when
13161 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
13163 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
13164 * tm.texi (MD_ASM_CLOBBERS): Document it.
13166 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
13168 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
13169 * except.c (expand_rethrow): Remove unused variable.
13170 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
13171 * flow.c (replace_insns): Likewise.
13172 (create_edge_list, verify_edge_list): Likewise.
13173 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
13175 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
13176 is special code to run.
13177 (main): Don't define operands to emit_operand.
13178 * genrecog.c (main): Don't emit an empty peephole2_insn function.
13180 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
13182 * alpha/alpha.h (normal_memory_operand): Declare.
13183 (reg_no_subreg_operand): Declare.
13184 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
13186 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
13188 * c-parse.in (compstmt_primary_start): New, broken out of first
13189 part of compstmt handling in primary.
13190 (primary): Use it. Add an error clause.
13191 (compstmt_nostart): Renamed from compstmt; remove all
13192 initial invocations of compstmt_start.
13195 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
13197 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
13200 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
13202 * combine.c (simplify_shift_const): Remove extra semicolon.
13203 * dwarf2out.c (remove_AT): Likewise.
13204 * expmed.c (expand_mult): Likewise.
13205 * gcov.c (create_program_flow_graph): Likewise.
13206 * reorg.c (mostly_true_jump): Likewise.
13208 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
13210 * fold-const.c (fold_range_test): Do not try to fold the range
13211 test if the rhs or lhs has side effects.
13213 * combine.c (simplify_rtx): Recognize another case of a synthesized
13216 * varasm.c (mark_constant_pool): When marking indirect references,
13217 only look at SYMBOL_REFs.
13219 * except.c (expand_fixup_region_end): Do not peek at
13220 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
13222 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
13224 * flags.h: New variables align_loops, align_loops_log,
13225 align_jumps, align_jumps_log, align_labels, align_labels_log,
13226 align_functions, align_functions_log.
13227 * toplev.c: Define them.
13228 (f_options): Handle -falign-* when they have no argument.
13229 (main): Add logic to set variables for -falign-functions,
13230 -falign-jumps, -falign-labels, -falign-loops.
13231 Make it -fsched-verbose=<n> and -finline-limit=<n>.
13232 (display_help): Change help to match options.
13233 * final.c (LABEL_ALIGN): Default to align_labels_log.
13234 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
13235 (LOOP_ALIGN): Default to align_loops_log.
13236 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
13237 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
13238 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
13239 * varasm.c (assemble_start_function): Handle align_functions.
13241 * config/sparc/sparc.h: Don't declare sparc_align_*.
13242 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
13243 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
13245 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
13247 * config/sparc/sparc.c: Delete sparc_align_loops,
13248 sparc_align_jumps, sparc_align_funcs and the corresponding string
13250 (sparc_override_options): Default align_functions on ultrasparc.
13251 Delete -malign-* handling.
13253 * config/mips/mips.c (override_options): On 64-bit targets,
13254 try to align code to 64-bit boundaries.
13255 (print_operand): New substitution, %~,
13256 which aligns labels to align_labels_log.
13257 * config/mips/mips.md (div_trap_normal): Use %~.
13258 (div_trap_mips16): Likewise.
13260 (absdi2): Likewise.
13261 (ffssi2): Likewise.
13262 (ffsdi2): Likewise.
13263 (ashldi3_internal): Likewise.
13264 (ashrdi3_internal): Likewise.
13265 (lshrdi3_internal): Likewise.
13266 (casesi_internal): Likewise.
13268 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
13270 Merge new ia32 backend from the branch!
13272 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
13273 See ChangeLog.P2 on new_ia32_branch for details.
13275 * rtl.h (stack_regs_mentioned_p): Delete prototype.
13276 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
13277 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
13278 * i386/gas.h (ASM_FILE_START): Define.
13279 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
13280 for name change of ix86_valid_decl_attribute_p.
13281 (i386_pe_valid_type_attribute_p): Similarly.
13283 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
13285 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
13286 to step through CC modes.
13288 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13290 * regmove.c (fixup_match_1): Don't move INSN in front of P if
13291 it would end up in the shadow of a live flags regsiter.
13293 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13295 * reload1.c: Fix many indentation problems.
13296 * reload.c: Likewise.
13298 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
13300 * alias.c (non_local_reference_p): Constify fmt.
13302 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
13304 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
13306 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
13308 * cse.c (delete_trivially_dead_insns): Do not delete stores to
13309 the internal_arg_pointer.
13311 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
13313 Merge peephole2 from new_ia32_branch:
13314 * Makefile.in (STAGESTUFF): Add *.peephole2.
13315 (mostlyclean): Likewise.
13316 (recog.o): Depend on resource.h.
13318 * final.c (peephole): Conditionalize decl on HAVE_peephole.
13319 (final_scan_insn): Likewise for the invocation of peephole.
13320 * genconfig.c (main): Look for peephole and peephole2 patterns.
13321 Emit HAVE_peephole* accordingly.
13322 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
13323 * flags.h (flag_peephole2): Declare.
13324 * toplev.c: New pass peephole2. New flag -fpeephole2.
13326 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
13327 * gencodes.c (main): Likewise.
13328 * genextract.c (main): Likewise.
13329 * genoutput.c (main): Likewise.
13330 * genemit.c (max_operand_1): Look for the max scratch operand.
13331 (gen_rtx_scratch): New.
13332 (gen_exp): Use it, and pass on new arg subroutine_type.
13333 (gen_expand): Take max scratch into account.
13334 (gen_split): Emit peephole2 functions.
13335 (output_peephole2_scratch): New.
13336 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
13337 * genrecog.c (routine_type): Add PEEPHOLE2.
13339 (make_insn_sequence): Match outer parallel for peep2. Discard
13340 top level scratches and dups.
13341 (add_to_sequence): New args insn_type and top. Update all callers.
13342 Handle toplevel peep2 matching insns.
13343 (write_subroutine): Handle peep2.
13344 (write_tree_1): Likewise.
13345 (write_tree): Likewise.
13347 (change_state): New arg afterward. Update all callers.
13348 Handle matching separate insns.
13349 * recog.c (recog_next_insn): New.
13350 (peephole2_optimize): New.
13351 * rtl.def (DEFINE_PEEPHOLE2): New.
13352 * resource.c (find_free_register): New argument last_insn. Use it
13353 to find a register available through the entire span.
13354 * resource.h (find_free_register): Update prototype.
13356 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
13358 * i386.c (output_strlen_unroll): Don't write xops[7]
13359 label if it wasn't set.
13361 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
13363 * cpplib.c (struct directive): Const-ify name pointer and
13364 function pointer prototype.
13365 (validate_else, do_define, do_line, do_include, do_undef,
13366 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
13367 do_elif, do_endif, do_sccs, do_assert, do_unassert,
13368 do_warning): Const-ify second arg.
13369 (directive_table): Mark const. Reorder entries by frequency
13370 of usage, record statistics.
13372 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
13374 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
13375 bounds- check RTL accesses if --enable-checking.
13376 (RTVEC_ELT): Bounds check if --enable-checking.
13377 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
13378 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
13379 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
13381 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
13382 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
13384 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
13385 (NOTE_SOURCE_FILE): Use X0STR.
13386 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
13387 MEM_ALIAS_SET): Use X0INT.
13388 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
13389 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
13391 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
13392 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
13393 (rtl_check_failed_bounds, rtl_check_failed_type1,
13394 rtl_check_failed_type2, rtvec_check_failed_bounds): New
13396 (fancy_abort): Fix comment.
13398 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
13399 (cse_insn): Decrement LABEL_NUSES for jump target before
13400 deleting jump insn.
13401 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
13402 * final.c (alter_subreg): Compute regno before changing x to
13403 REG; set REGNO(x) after changing it.
13404 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
13405 notes containing CONST_INTs.
13406 (delete_eh_regions): Use NOTE_EH_HANDLER.
13407 * function.c (put_reg_into_stack): Make reg a MEM before
13409 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
13411 (gen_mem_addressof): Make reg a MEM before initializing it.
13412 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
13414 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
13415 deleting an insn, not after.
13416 (block_alloc): Only look at PATTERN(insn) if we have to, and
13417 only if it's format class 'i'.
13418 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
13419 CONST_INT before using its INTVAL.
13420 * print-rtl.c (print_rtx): Use X0STR.
13421 * regmove.c (fixup_match_1): Don't look at PATTERN of
13422 non-class-'i' insn chain elements.
13423 * reload.c (loc_mentioned_in_p): Take address of
13424 in->fld[1].rtx directly.
13425 * reload1.c (reload): Change reg to a MEM before initializing
13427 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
13429 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
13431 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
13433 * config/mips/mips.c (machine_dependent_reorg): Force a
13434 barrier to output the local constant pool if a barrier hasn't
13435 been found at a natural point in the instruction stream.
13437 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13439 * c-parse.in (language_string): Constify.
13441 * dwarf2out.c (language_string): Remove declaration.
13443 * dwarfout.c (language_string): Likewise.
13445 * toplev.c (language_string, init_parse, finish_parse): Likewise.
13447 * tree.h (language_string, init_parse, finish_parse): Declare.
13449 * i386/sun386.h (language_string): Remove declaration.
13451 * mips.h (language_string): Likewise.
13453 * nextstep.h (language_string): Likewise.
13455 * nextstep21.h (language_string): Likewise.
13457 * rs6000.c (language_string): Likewise.
13459 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13461 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
13462 (getpwd.o): Remove target.
13464 * getpwd.c: Delete file. Its in libiberty now.
13466 * dbxout.c (getpwd): Don't prototype.
13467 * dwarf2out.c (getpwd): Likewise
13468 * dwarfout.c (getpwd): Likewise
13469 * final.c (getpwd): Likewise.
13470 * protoize.c (getpwd): Likewise.
13472 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13474 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
13476 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
13478 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
13479 mark_set_resources.
13481 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
13483 * fixinc/Makefile.in (subdir): New.
13484 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
13487 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
13489 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
13490 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
13493 * invoke.texi: Fix typo.
13495 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
13496 changed. Handle autoincrement addressing modes.
13498 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
13499 just like we would the virtual incoming args register when
13502 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
13504 * rs6000.h (ASM_FILE_START): Specify complete filename, including
13505 path, in .file directive.
13507 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
13509 * gcc.texi (External Bugs): Remove obsolete note about Perl on
13512 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
13514 * stdbool.h: Make the typedef name _Bool, with bool a #defined
13517 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13519 * tree.c (tree_code_name): Constify a char*.
13521 * tree.h (tree_code_name, decl_printable_name): Likewise.
13523 * function.h (struct function): Likewise.
13525 * toplev.c (decl_name, decl_printable_name): Likewise.
13527 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
13529 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
13530 (init_objc): Remove function pointer cast.
13532 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
13534 * pa.md (interspace_jump): New pattern.
13535 (builtin_longjmp): New expander.
13537 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
13539 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
13540 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
13541 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
13543 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
13545 * jump.c (delete_prior_computation): Also check calls
13546 to constant functions. Don't bother checking for a
13547 REG_UNUSED note before adding it.
13548 (delete_computation): Handle multi-word hard registers
13549 when synthesizing missing REG_DEAD notes for a register
13550 which is both set and used by an insn.
13552 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13554 * loop.c (this_loop_info): New variable.
13555 (loop_has_call, loop_has_volatile, loop_has_tablejump,
13556 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
13558 (prescan_loop, strength_reduce): New argument loop_info. All callers
13560 (scan_loop): New variable loop_info, initialise to address of
13562 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
13563 Delete variable loop_has_multiple_exit targets and replace with
13564 field in this_loop_info.
13565 (find_and_verify_loops): Rename this_loop to this_loop_num.
13566 (strength_reduce): Delete loop_iteration_info. Replace variable
13567 loop_info with function argument of same name.
13568 (insert_bct): Rework test for loop being completely unrolled.
13570 * loop.h (struct loop_info): New fields num, loops_enclosed,
13571 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
13572 has_indirect_jump, and cont. Redefine use of unroll_number.
13573 (loop_unroll_number): Delete.
13575 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
13576 field of loop_info.
13577 (loop_iterations): Delete variable vtop and instead use
13578 loop_info->vtop computed in prescan_loop.
13580 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
13582 * fix-header.c (main): Do not pass a null pointer to strcmp.
13584 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
13586 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
13588 * configure: Rebuilt.
13590 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
13592 * jump.c (jump_optimize_1): Do not delete assignments to
13593 internal_arg_pointer.
13594 * cse.c (delete_trivially_dead_insns): Always consider a set of
13595 the internal_arg_pointer live.
13597 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
13599 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
13600 (update_life_info) [REG_WAS_0]: Search the original insns rather
13601 than the new insns for the note. Fix typos finding note_dest.
13602 If no dest found, discard the note rather than abort.
13603 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
13604 (replace_insns): Remove the old insn list after update_life_info
13607 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
13609 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
13610 sched_analyze_insn.
13611 (sched_analyze_1): Let add_dependence care for not adding dups.
13612 (sched_analyze_2): Likewise.
13613 (add_branch_dependences): Likewise.
13615 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
13617 * i386/winnt.c (export_list): New type.
13618 (exports_head): Rename to
13619 (export_head): this.
13620 (i386_pe_record_exported_symbol): Add is_data flag.
13621 (i386_pe_asm_file_end): Emit directive for exported variables.
13622 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
13624 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
13625 (ASM_DECLARE_OBJECT_NAME): Likewise.
13626 (ASM_DECLARE_FUNCTION_NAME): Likewise.
13627 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
13629 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
13631 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
13633 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
13636 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
13638 * config/openbsd.h: Define SET_ASM_OP.
13639 * tm.texi: cross-reference SET_ASM_OP in the index.
13641 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
13643 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
13644 for a CONST_DOUBLE, at compile time. Initialize rtx_length
13645 and class_narrowest_mode at compile time. Kill init_rtl.
13646 Mark rtx_length, mode_class, mode_size, mode_unit_size,
13647 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
13648 rtx_format as const. Kill all references to EXTRA_CC_MODES or
13650 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
13652 * rtl.h: Declare rtx_length and rtx_format as const.
13653 * machmode.def: Define CC(). Use CC() to define CCmode. If
13654 EXTRA_CC_MODES is defined, expand it here.
13655 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
13656 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
13657 const. Kill all references to EXTRA_CC_MODES.
13659 * toplev.c: Don't prototype or call init_rtl.
13660 * optabs.c: Don't call init_mov_optab.
13661 * genemit.c: Don't generate init_mov_optab. Don't call
13663 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
13665 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
13666 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
13667 genrecog.c: Don't call init_rtl.
13669 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
13670 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
13671 definition of EXTRA_CC_MODES.
13673 * md.texi: Kill ref to EXTRA_CC_NAMES.
13674 * tm.texi: Document new way to define EXTRA_CC_MODES.
13676 * genrecog.c: Do not look up the name of a define_split.
13677 (Unrelated bugfix.)
13679 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
13681 * config/v850/v850.md: Fix typo introduced by previous delta.
13683 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13685 * gcc.c (fatal): Make definition static to match prototype.
13687 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13689 * combine.c (get_last_value): Don't look for earlier sets if the last
13690 known set is somewhere in between the insns being combined.
13692 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
13694 * configure.in: Don't use shell ! to negate exit codes
13695 * configure: Regenerate
13697 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
13699 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
13700 the fact that ALIGN is measured in bits, not bytes.
13702 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
13704 * errors.c: New file; defines functions error, warning, and
13705 fatal, variables have_error and progname.
13706 * errors.h: New file; prototypes and decls for stuff in errors.c.
13708 * Makefile: Add rules to build errors.o and
13709 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
13710 genopinit, genrecog, genextract, genpeep, genattr, and
13711 genoutput with errors.o. Add errors.h to deps of genconfig.o,
13712 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
13713 genpeep.o, genattr.o, and genoutput.o.
13715 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
13716 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
13717 define or prototype fatal. Set progname at beginning of main.
13718 * genoutput.c: Likewise, and don't define or prototype error
13721 * c-typeck.c (c_expand_start_case): Return immediately if exp
13723 * fold-const.c (operand_equal_p): Return immediately if arg1
13724 or arg0 are ERROR_MARKs.
13725 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
13726 fields of type ERROR_MARK when calculating if the record can
13729 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
13730 with much help from Jeffrey A Law and Richard Henderson
13732 * i386.md: In the 6 insns which call output_fix_trunc,
13733 earlyclobber operands[0].
13735 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
13737 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
13738 creating new registers.
13740 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
13742 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
13743 i386_reg_alloc_order, i386_regparm_string,
13744 i386_align_loops_string, i386_align_jumps_string,
13745 i386_align_funcs_string, i386_preferred_stack_boundary_string,
13746 and i386_branch_cost_string as type "const char *".
13747 * i386.c: Define all above strings as type "const char *".
13749 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
13751 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
13752 when emitting alignment padding. Emit padding byte of 0 instead of 4.
13754 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
13756 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
13757 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
13759 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
13761 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
13762 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
13763 (dwarf2out_line, dwarf2out_finish): Likewise.
13764 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
13766 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
13768 * tree.c (lang_unsave_expr_now) : Correct return type.
13769 * tree.h (lang_unsave_expr_now) : Same.
13771 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
13773 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
13774 instead of duplicating code.
13776 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13778 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
13780 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
13782 * tree.h: fancy_abort always takes three args.
13783 * resource.c: Move include of system.h before toplev.h.
13785 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
13787 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
13790 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
13792 * system.h: Don't redefine abort or trim_filename.
13793 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
13794 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
13795 whether or not __FUNCTION__ is available.
13796 * tree.h: Duplicate rtl.h's definition of abort, for files
13797 that don't include rtl.h. Delete all code to perform type
13798 checking with a compiler other than GCC.
13799 * varray.h: Delete all code to perform type checking with a
13800 compiler other than GCC. Make VARRAY_CHECK() always evaluate
13801 its arguments exactly once, using a statement expression.
13802 Adjust the VARRAY_<type> accessor macros to match.
13803 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
13804 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
13805 caller's location. Define fatal_insn and fatal_insn_not_found
13806 as macros that use _fatal_insn and _fatal_insn_not_found.
13807 (fancy_abort, trim_filename): Kill prototypes.
13809 * rtl.c (trim_filename): Move here from toplev.c.
13810 (fancy_abort): New function.
13811 (DIR_SEPARATOR): Provide default definition.
13812 * tree.c (tree_check_failed, tree_class_check_failed): Go
13813 through fancy_abort.
13814 (tree_check, tree_class_check, cst_or_constructor_check,
13815 expr_check): Delete.
13816 * varray.c (varray_check_failed): New function.
13817 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
13818 _fatal_insn and _fatal_insn_not_found. Go through
13820 (trim_filename, fancy_abort): Delete.
13822 * builtins.c (expand_builtin_args_info): Report ICE with abort.
13823 * except.c (start_catch_handler): Report ICE with error/abort
13825 * final.c (output_operand_lossage): Likewise.
13826 * flow.c (verify_flow_info): Likewise.
13828 * gcc.c: Prototype fatal.
13829 * gengenrtl.c: Undef abort after including rtl.h not system.h.
13830 * genattr.c, genattrtab.c, genemit.c, genextract.c,
13831 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
13832 Don't define fancy_abort.
13834 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
13836 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
13839 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
13841 * m88k.h (VERSION_INFO2): Kill.
13842 (VERSION_STRING): Kill.
13844 (VERSION_INFO1): Tidy.
13845 (TARGET_VERSION): Update.
13846 * m88k/dgux.h (VERSION_INFO2): Kill.
13847 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
13848 * m88k/luna.h (VERSION_INFO1): Tidy.
13849 * m88k/sysv4.h (VERSION_INFO1): Likewise.
13850 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
13851 (output_file_start): Adjust for death of VERSION_STRING.
13853 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
13855 * cpplib.c (detect_if_not_defined): New function.
13856 (do_if): Use it to detect potential once-only headers.
13858 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
13860 * c-common.c (combine_strings): Always set TREE_CONSTANT.
13862 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
13864 * combine.c (nonzero_bits) : Allow single-ly set registers to be
13865 anywere in the function only if they are pseudos and set before
13866 being used (not live at the start of the function).
13867 (num_sign_bit_copies) : Same.
13868 (get_last_value_validate) : Same.
13869 (get_last_value) : Same.
13871 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
13873 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
13874 where N and M are constant and N is an integer multiple of M.
13876 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13878 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
13879 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
13880 sbitmap_union_of_preds): Add prototypes.
13881 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
13882 the intersection of successors with the new flow graph structures.
13883 (sbitmap_intersection_of_preds): New function to compute the
13884 intersection of predecessors with the new flow graph structures.
13885 (sbitmap_union_of_succs): New function to compute the union of
13886 successors with the new flow graph structures.
13887 (sbitmap_union_of_preds): New function to compute the union of
13888 predecessors with the new flow graph structures.
13889 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
13890 (expr_reaches_here_p): Use edge and basic_block structures instead
13891 of s_preds and s_succs.
13892 (compute_cprop_avinout): Use new sbitmap routines.
13893 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
13894 of s_preds and s_succs.
13895 * flow.c (compute_flow_dominators): Compute dominators using
13896 edges and basic blocks instead of s_preds and s_succs.
13898 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13900 * lists.c (unused_insn_list, unused_expr_list): New file for
13901 maintaining various types of lists. New statics for maintaining a
13902 cache of available INSN_LIST and EXPR_LIST nodes.
13903 (free_list): Static function for freeing a list of INSN/EXPR nodes.
13904 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
13905 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
13906 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
13907 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
13908 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
13909 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
13910 (free_INSN_LIST_node): Free an individual INSN_LIST node.
13911 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
13912 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
13913 (remove_dependence, free_pending_lists): Use new global routines.
13914 (flush_pending_lists, sched_analyze_insn): Use new global routines.
13915 (sched_analyze, compute_block_backward_dependences): Use new routines.
13916 (sched_analyze_1, sched_analyze_2): Use new routines.
13917 (schedule_insns): Use new global routines.
13918 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
13920 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
13921 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
13923 * toplev.c (rest_of_compilation): Initialize node cache.
13924 * Makefile.in (OBJS): Add lists.o to list of object files.
13925 (lists.o): Add dependancies.
13927 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
13929 * config/v850/v850.md: Fix compile time warning messages.
13930 * config/v850/v850.c: Fix compile time warning messages.
13931 * config/v850/v850.h: Fix compile time warning messages.
13933 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13935 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
13936 Remove unused prototype for `init_lengths'.
13938 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13940 * calls.c (emit_call_1): Mark parameter `stack_size' with
13942 (expand_call): Initialize variable `insn'.
13943 (emit_library_call): Likewise for variable `high_to_save'.
13944 (emit_library_call_value): Likewise.
13945 (store_one_arg): Likewise for variables `lower_bound' and
13948 * combine.c (try_combine): Likewise for variables `i2_code_number'
13949 and `other_code_number'.
13950 (find_split_point): Likewise for variables `pos', `unsignedp' and
13952 (simplify_if_then_else): Likewise for variables `op' and `c1'.
13953 (simplify_and_const_int): Remove unused variable `width'.
13954 (merge_outer_ops): Likewise.
13956 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
13957 HOST_WIDE_INT' when comparing against one.
13958 (simplify_relational_operation): Likewise.
13959 (cse_insn): Initialize variables `src_eqv_volatile',
13960 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
13962 * final.c (init_final): Constify parameter `filename'.
13963 (final_start_function): Mark parameter `optimize' with
13965 (profile_function): Likewise for parameters `first' and `optimize'.
13966 (output_source_line): Likewise for parameter `file'.
13968 * integrate.c (subst_constants): Cast a value to `size_t' when
13969 comparing against one.
13970 (mark_stores): Initialize variable `mode'. Cast a value to
13971 `size_t' when comparing against one.
13973 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
13975 * loop.c (move_movables): Initialize variable `first'.
13976 (strength_reduce): Likewise for variable `increment'.
13977 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
13978 value to `size_t' when comparing against one.
13979 (load_mems): Initialize variable `end_label'.
13981 * output.h (init_final): Constify parameter.
13983 * reload.c (decompose): Initialize variable `base'.
13985 * reload1.c (reload): Likewise for variable `is_scalar'.
13986 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
13987 (choose_reload_regs): Initialize variable `mode'.
13988 (emit_reload_insns): Likewise for variable `store_insn'.
13989 (reload_cse_noop_set_p): Mark parameter `insn' with
13991 (reload_combine): Initialize variable `set'.
13993 * unroll.c (unroll_loop): Likewise for variable `local_label'.
13994 (copy_loop_body): Cast a value to `size_t' when comparing against
13997 * varasm.c (assemble_variable): Initialize variable `size_tree'.
13998 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
13999 (remove_from_pending_weak_list): Mark parameter `name' with
14002 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14004 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
14007 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
14009 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
14010 (ASM_DECLARE_FUNCTION_NAME): Define.
14011 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
14012 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
14013 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
14014 not already defined.
14016 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
14018 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
14019 of n_popped when call/call_value are not defined.
14021 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
14023 * tm.texi: GNU CC -> GCC conversion.
14024 (CC1_SPEC): Indicate it is used for all language front ends.
14026 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
14028 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
14029 NOTE_INSN_EH_REGION_END correctly.
14031 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
14032 Jeff Law <law@cygnus.com>
14034 * loop.c (strength_reduce): Automatically unroll loops if the
14035 unrolled loop size is smaller than the rolled loop size.
14037 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
14038 and delete comment that code should be rewritten.
14040 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
14042 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
14045 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
14047 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
14049 * fixinc/mkfixinc.sh: Don't fix uwin headers.
14050 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
14051 (LINK_SPEC): Add -u _main when building executables.
14052 (ASM_DECLARE_FUNCTION): Update from Cygwin.
14053 (ASM_FILE_END): Use the default for ix86-pe.
14054 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
14056 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
14058 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
14059 and ASM_CLOSE_PAREN are empty strings.
14061 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
14062 Geoffrey Keating <geoffk@cygnus.com>
14064 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
14065 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
14066 (unprotoize.o): Ditto.
14067 (test-protoize-simple): Don't define STD_PROTO_DIR.
14068 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
14069 changes to make 'test-protoize-simple' pass.
14070 (STD_PROTO_DIR): Remove define.
14071 (STANDARD_EXEC_PREFIX): Supply default define.
14072 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
14073 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
14074 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
14075 (GET_ENV_PATH_LIST): New macro.
14076 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
14077 (do_processing): Initialize default_syscalls_dir using new
14078 macros. Use it to initialize syscalls_absolute_filename.
14080 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
14082 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
14083 B into a register before emit_conditional_move.
14085 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
14087 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
14088 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
14089 multiplicand out of (+ (* a b) (* c d)).
14091 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
14092 Richard Henderson <rth@cygnus.com>
14094 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
14095 (new_insn_dead_notes): Likewise.
14096 (update_n_sets): Likewise.
14097 (update_flow_info): Move to flow.c, renamed to update_life_info;
14098 extend to handle multiple source insns.
14099 * flow.c: Include resource.h
14100 (unlink_insn_chain): New.
14101 (split_hard_reg_notes): New.
14102 (maybe_add_dead_note): New.
14103 (maybe_add_dead_note_use): New.
14104 (find_insn_with_note): New.
14105 (new_insn_dead_notes): New.
14106 (update_n_sets): New.
14107 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
14108 (maybe_remove_dead_notes): New.
14109 (update_life_info): New.
14110 (prepend_reg_notes): New.
14111 (replace_insns): New.
14112 * output.h (update_life_info): Declare.
14113 * recog.c (split_block_insns): Use update_life_info.
14114 * resource.c (find_free_register): Use reg_alloc_order, don't use
14115 fixed regs, make sure the mode is supported, don't use new regs.
14117 * rtl.h (replace_insns): Declare.
14119 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
14121 * expr.c (expand_expr): Cope with COND_EXPRs with one
14122 non-returning branch.
14124 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
14126 * expr.c (store_expr): Always pass down the target, even when not
14129 1999-08-24 Nick Clifton <nickc@cygnus.com>
14131 * configure.in: Define target_cpu_default for v850 targets.
14132 * configure: Regenerate
14134 * config/v850/v850.h (TARGET_CPU_generic): Define.
14135 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
14136 addresses are 4 byte aligned.
14138 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
14141 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14143 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
14144 (main): Add prototypes.
14146 * genattrtab.c (substitute_address, write_const_num_delay_slots,
14147 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
14148 (write_attr_get): Emit prototypes along with function definition.
14149 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
14150 (write_complex_function): Emit static prototype along with
14151 function definition.
14153 * genemit.c (gen_split): Emit prototypes along with function
14156 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
14157 Likewise for predicates and `insn_operand_predicate'.
14158 (process_template): Emit static prototype along with function
14161 * genrecog.c (make_insn_sequence): Constify a char*. Add
14162 prototypes for get_split_*().
14163 (write_subroutine): Emit prototypes along with function
14166 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14168 * gcse.c (find_avail_set): Follow chains of register-register copies.
14169 Use oprs_not_set_p to guarantee that the returned value can be
14171 (cprop_insn): Don't verify the return value of find_avail_set with
14174 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
14175 (cprop_cc0_jump): New function.
14176 (cprop_insn): Break out new function cprop_jump and use it.
14177 Also use cprop_cc0_jump for machines with CC0.
14178 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
14180 * tree.h (current_function_calls_setjmp,
14181 current_function_calls_longjmp): Delete declarations.
14182 * dsp16xx.c: Include "function.h".
14183 * elxsi.c: Likewise.
14184 * gmicro.c: Likewise.
14185 * h8300.c: Likewise.
14186 * i370.c: Likewise.
14187 * m32r.c: Likewise.
14188 * mn10200.c: Likewise.
14189 * mn10300.c: Likewise.
14190 * ns32k.c: Likewise.
14191 * spur.c: Likewise.
14192 * v850.c: Likewise.
14194 * rtl.h (rtx_equal_function_value_matters): Declare.
14195 * toplev.c (rtx_equal_function_value_matters): Don't declare.
14197 * function.c: Likewise.
14198 * emit-rtl.c: Likewise.
14200 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
14202 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
14205 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14207 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
14210 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
14212 * cpp.texi: Add a node documenting macro varargs (copied
14215 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
14217 * cppspec.c: Put a null pointer at the end of the new argv.
14219 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
14221 * configure.in: Remove code to select/de-select the haifa
14222 scheduler. Every scheduled port gets haifa now.
14223 * configure: Rebuilt.
14224 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
14226 * Makefile.in: Corresponding changes.
14228 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14230 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
14231 All callers changed.
14232 (prepare_float_lib_cmp): Likewise.
14233 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
14234 * expr.h (emit_float_lib_cmp): Delete declaration.
14235 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
14236 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
14237 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
14239 (cmptf): Now conditional on TARGET_HARD_QUAD.
14241 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
14243 * resource.c (mark_target_live_regs): Use
14244 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
14246 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14248 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
14250 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
14252 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
14254 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14256 * rtl.h (rtx_format): Constify a char*.
14258 * rtl.c (rtx_format): Likewise.
14259 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
14260 (init_rtl): Use accessor macro, not `rtx_format'.
14262 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
14265 * caller-save.c (mark_referenced_regs): Likewise.
14267 * combine.c (subst, make_compound_operation, known_cond,
14268 gen_rtx_combine, update_table_tick, get_last_value_validate,
14269 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
14271 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
14272 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
14273 count_reg_usage): Likewise.
14275 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
14278 * final.c (leaf_renumber_regs_insn): Likewise.
14280 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
14281 dump_edge_info, count_reg_references): Likewise.
14283 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
14284 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
14287 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
14288 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
14289 add_label_notes): Likewise.
14291 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
14292 clear_struct_flag, count_sub_rtxs, count_alternatives,
14293 compares_alternatives_p, contained_in_p, walk_attr_value,
14294 write_expr_attr_cache): Likewise.
14296 * genconfig.c (walk_insn_part): Likewise.
14298 * genemit.c (max_operand_1, gen_exp): Likewise.
14300 * genextract.c (walk_rtx): Likewise.
14302 * genflags.c (num_operands): Likewise.
14304 * genoutput.c (scan_operands): Likewise.
14306 * genpeep.c (match_rtx): Likewise.
14308 * genrecog.c (add_to_sequence): Likewise.
14310 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
14313 * integrate.c (save_constants, copy_for_inline,
14314 copy_rtx_and_substitute, subst_constants, restore_constants):
14317 * jump.c (mark_jump_label, invert_exp, redirect_exp,
14318 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
14320 * local-alloc.c (contains_replace_regs, memref_referenced_p):
14323 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
14324 add_label_notes, replace_call_address, count_nonfixed_reads,
14325 invariant_p, find_single_use_in_loop, find_mem_givs,
14326 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
14329 * print-rtl.c (reg_names, print_rtx): Likewise.
14331 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
14333 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
14334 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
14335 print_blocks): Likewise.
14337 * regclass.c (fix_register, record_address_regs,
14338 reg_scan_mark_refs): Likewise.
14340 * regmove.c (stable_but_for_p): Likewise.
14342 * reload.c (loc_mentioned_in_p, operands_match_p,
14343 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
14344 copy_replacements, refers_to_regno_for_reload_p,
14345 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
14346 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
14349 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
14350 delete_address_reloads_1, count_occurrences,
14351 reload_cse_mem_conflict_p, reload_combine_note_use,
14352 add_auto_inc_notes): Likewise.
14354 * resource.c (mark_referenced_resources, mark_set_resources):
14357 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
14358 reg_mentioned_p, regs_set_between_p, modified_between_p,
14359 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
14360 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
14361 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
14362 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
14364 * sched.c (sched_analyze_2, attach_deaths): Likewise.
14366 * stupid.c (stupid_mark_refs): Likewise.
14368 * unroll.c (remap_split_bivs): Likewise.
14370 * varasm.c (mark_constants): Likewise.
14372 * a29k/a29k.c (uses_local_reg_p): Likewise.
14374 * alpha/alpha.c (summarize_insn): Likewise.
14376 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
14377 eliminate_lr2ip): Likewise.
14379 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
14381 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
14382 reg_mentioned_in_mem): Likewise.
14384 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
14385 symbolic_reference_mentioned_p): Likewise.
14387 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
14389 * sh/sh.c (regs_used, mark_use): Likewise.
14391 * vax/vax.c (vax_rtx_cost): Likewise.
14393 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14395 * machmode.h (mode_name): Constify a char*.
14397 * rtl.c (mode_name): Likewise.
14399 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
14401 * optabs.c (init_libfuncs): Constify a char*.
14403 * print-tree.c (mode_name): Remove redundant declaration.
14404 (print_node): Use accessor macro, not `mode_name'.
14406 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
14408 (new_spill_reg): Constify a char*.
14410 * tree.c (mode_name): Remove redundant declaration.
14412 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14414 * rtl.c (rtx_name): Constify a char*.
14416 * rtl.h (rtx_name, fix_sched_param): Likewise.
14418 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
14419 (mypr): Use accessor macro, not `rtx_name'.
14421 * genemit.c (print_code): Constify a char*.
14423 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
14425 * genpeep.c (print_code): Constify a char*.
14427 * genrecog.c (print_code): Likewise.
14429 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
14430 end_bb): Add static prototype.
14431 (draw_edge): Constify a char*.
14432 (end_bb): Remove unused parameter.
14434 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
14435 print_block_visualization): Constify a char*.
14437 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
14439 * c-common.c (c_get_alias_set): Update comment.
14441 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
14443 * linux.h (LIB_SPEC): Added.
14445 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14447 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
14449 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
14451 * tree.c (expr_check): Fix typo in last change.
14453 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
14455 * rtl.def (NOTE): Change format to "iuu0n".
14456 (ADDR_DIFF_VEC): Change format to "eEee0".
14457 (ADDRESSOF): Change format to "eit".
14459 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
14460 (RTVEC_ELT): Change to match.
14461 (XVECEXP): Use XVEC and RTVEC_ELT.
14462 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
14463 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
14464 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
14465 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
14466 TRAP_CONDITION, TRAP_CODE): Use XEXP.
14467 (INTVAL): Use XWINT.
14468 (ADDRESSOF_DECL): Use XTREE.
14469 (SET_ADDRESSOF_DECL): Delete.
14470 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
14471 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
14472 ifdefed out since 2.6 at least.
14473 (gen_rtvec_vv): Delete prototype.
14475 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
14477 (copy_most_rtx): Handle 't' format letter.
14478 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
14479 (gen_rtvec_vv): Delete function. All callers changed to use
14480 gen_rtvec_v instead.
14481 * print-rtl.c (print_rtx): Move special casing of NOTEs to
14482 the '0' format letter.
14484 * function.c (gen_mem_addressof): Don't use
14485 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
14487 * integrate.c (copy_rtx_and_substitute): Likewise.
14488 Copy 't' slots with XTREE.
14489 (subst_constants): Treat 't' slots like '[swi]' slots.
14490 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
14491 * jump.c (rtx_equal_for_thread_p): Likewise.
14492 * rtlanal.c (rtx_equal_p): Likewise.
14493 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
14494 only four arguments.
14495 * gengenrtl.c (type_from_format): Provide correct types for
14499 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
14500 If a recent gcc is in use (always in stage2 and beyond), use
14501 statement expressions, so we don't make a function call unless
14502 the check fails. Evaluate arguments exactly once.
14503 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
14504 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
14506 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
14507 they evaluate their arguments exactly once, irrespective of
14508 the compiler in use.
14510 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
14511 is used by the currently-enabled check macros. This is:
14512 (tree_check_failed, tree_class_check_failed): For gcc.
14513 (tree_check, tree_class_check, cst_or_constructor_check,
14514 expr_check): For other compilers.
14516 * gencheck.c: Do not define any *_CHECK1 macros.
14518 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
14519 Mark Mitchell <mark@codesourcery.com>
14521 * c-common.c (c_get_alias_set): Fix support for poitners and
14524 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
14526 * alias.c: Include tree.h.
14527 (nonlocal_reference_p, mark_constant_function): New functions.
14528 * flow.c (life_analysis): Call mark_constant_function.
14529 * rtl.h (mark_constant_function): Declare it.
14531 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
14533 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
14534 unrecognisable switches.
14536 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14538 * loop.c (recombine_givs): Set ix field after sorting.
14539 (recombine_givs): Remove bogus index / giv lockstep looping.
14541 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14543 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
14545 (emit_store_flag_force): Use do_compare_rtx_and_jump.
14546 (do_cmp_and_jump): Formatting fixes.
14547 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
14548 do_compare_rtx_and_jump instead of compare_from_rtx.
14549 (do_compare_rtx_and_jump): New function; mostly copied from
14551 (do_jump_for_compare): Delete.
14552 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
14554 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
14555 of compare/do_jump_for_compare pairs.
14556 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
14557 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
14558 compare_from_rtx/do_jump_for_compare pairs.
14559 (do_jump_by_parts_equality): Likewise.
14560 (do_jump_by_parts_equality_rtx): Likewise.
14561 * expr.h (do_compare_rtx_and_jump): Declare.
14562 * optabs.c (prepare_cmp_insn): New function, contains most of the code
14563 that used to be in emit_cmp_insn.
14564 (cmp_available_p): New function.
14565 (prepare_operand): New function.
14566 (emit_cmp_and_jump_insn_1): New function, contains some code that used
14567 to be in emit_cmp_insn.
14568 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
14569 parameters to be pointers; don't emit final compare but modify some of
14570 the values pointed to by the args so the caller can perform the
14571 correct comparison.
14572 (expand_binop): Call emit_store_flag_force with signed forms of
14574 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
14575 emit_jump_insn pair.
14576 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
14577 emit_cmp_and_jump_insn_1. Call emit_queue.
14578 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
14580 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
14581 jump sets cc0 before deleting it.
14582 * integrate.c (expand_inline_function): Likewise.
14583 * unroll.c (unroll_loop): Similar changes in several places.
14584 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
14585 before deleting it.
14587 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14589 * Makefile.in (insn-recog.o): Update dependencies.
14590 * genrecog.c (main): Make generated file include "function.h".
14592 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
14594 * cse.c (cse_insn): Call never_reached_warning when a jump is
14595 changed to be unconditional.
14596 * flags.h: Declare warn_notreached.
14597 * flow.c (delete_block): Call never_reached_warning when
14598 a block is deleted.
14599 * jump.c (delete_barrier_successors): Call never_reached_warning
14600 when we delete everything after a BARRIER.
14601 (never_reached_warning): New function.
14602 * rtl.h: Declare never_reached_warning.
14603 * toplev.c (warn_notreached): New variable.
14604 (lang_independent_options): Set warn_notreached
14605 when -Wunreachable-code.
14606 (compile_file): We need line numbers for -Wunreachable-code.
14608 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
14610 * haifa-sched.c (insn_unit): Fix typo on out of range test.
14611 * sched.c (insn_unit): Likewise.
14613 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
14615 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
14617 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14619 * flow.c (create_edge_list): Use xmalloc, not malloc.
14621 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
14623 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
14624 C-style comments. Do not lose the character before double slash.
14626 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14628 * basic-block.h (struct edge_list): Stucture to maintain a vector
14630 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
14631 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
14632 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
14633 New function prototypes.
14634 * flow.c (create_edge_list): Function to create an edge list.
14635 (free_edge_list): Discards memory used by an edge list.
14636 (print_edge_list): Debug output showing an edge list.
14637 (verify_edge_list): Internal consistency check for an edge list.
14638 (find_edge_index): Function to find an edge index for a pred and succ.
14640 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
14642 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
14645 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
14647 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
14649 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14651 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
14653 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
14655 * toplev.c (rest_of_compilation): Allow machine dependent
14656 reorganisation pass to place information into the RTL dump
14657 file if it so wishes.
14659 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
14661 * explow.c (hard_function_value): Use VOIDmode instead of
14663 * stmt.c (expand_return): Likewise.
14664 * stor-layout.c (get_best_mode): Likewise.
14666 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
14667 emit call instead of emit_insn call.
14669 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
14671 * configure.in: Handle --disable/enable-win32-registry.
14672 * install.texi: Document --disable/enable-win32-registry.
14673 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
14674 (WIN32_REGISTRY_KEY): New macro.
14675 * prefix.c: Use to enable/disable win32-specific code.
14676 (lookup_key): Use versioned key.
14677 * configure: Regenerate.
14678 * config.in: Likewise.
14680 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
14682 * cpplib.c (read_line_number): New fn, split out of...
14685 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
14687 tree.c (lang_unsave_expr_now) : New.
14688 (unsave_expr_now): Call lang_unsave_expr_now.
14689 tree.h (lang_unsave_expr_now) : New.
14691 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
14693 * toplev.c (flag_new_exceptions): On by default.
14695 1999-08-13 Michael Meissner <meissner@cygnus.com>
14697 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
14699 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14701 * dwarfout.c (fundamental_type_code): Return FT_boolean for
14702 INTEGER_TYPE with precision==1, it's __java_boolean.
14704 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14706 * global.c (prune_preferences): Move some invariants out of the
14709 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
14711 * configure.in (alpha*-dec-osf*): Add osf5.
14713 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
14715 * configure.in: Rework handling of ARM GNU/Linux slightly.
14716 (arm*-*-linux-gnuoldld): New target.
14717 * configure: Regenerate.
14718 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
14719 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
14720 * config/arm/linux-oldld.h: New file.
14721 * config/arm/linux-elf26.h: Don't include linux-elf.h.
14722 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
14724 * config/arm/linux-elf.h (ASM_SPEC): Define.
14725 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
14726 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
14727 for 26-bit APCS and old linker.
14728 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
14730 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
14731 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
14732 don't define `arm' or `arm_elf'.
14733 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
14734 MULTILIB_DIRNAMES): Define. Fix typo in comment.
14736 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
14738 * rtl.texi: Fix typo.
14740 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
14742 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
14744 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
14746 * extend.texi (C++ Signatures): Remove node.
14747 * invoke.texi: Remove discussion of -fhandle-signatures,
14748 signature, sigof, __signature__, and __sigof__.
14750 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
14752 * Makefile.in (JAVAGC): Removed.
14754 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
14756 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
14758 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
14760 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
14762 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
14764 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
14765 a register that is already known to be a pointer.
14767 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
14769 * fixinc/inclhack.tpl: Only install assert.h conditionally.
14770 * fixinc/inclhack.sh: Regenerated.
14771 * fixinc/fixincl.sh: Regenerated.
14773 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
14775 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
14776 Fix documentation of -ansi flag to describe its C++ behavior.
14777 Remove bogus reference to GCC 2.9.
14779 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
14781 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
14782 note if it is non-NULL.
14784 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14786 * except.h (eh_nesting_info): Add new structure defintion.
14787 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
14788 (reachable_handlers, update_rethrow_references): Add function
14790 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
14791 a rethrow symbol instead of an integer exception region number.
14792 * flow.c (Make_edges): Use new exception nesting routines to determine
14793 which handlers are reachable from a CALL or asynchronous insn.
14794 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
14796 (delete_eh_regions): Update rethrow labels, and don't delete
14797 regions which are the target of a rethrow.
14798 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
14799 avoid overloading the SYMBOL_REF_USED flag.
14800 (rethrow_symbol_map): Use new rethrow_ref field.
14801 (rethrow_used): Use new rethrow_ref field.
14802 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
14803 of an integer. Fix formatting.
14804 (output_exception_table_entry): Use new rethrow_ref field.
14805 (can_throw): Check for EH_REGION_NOTE before deciding
14806 whether a CALL can throw or not.
14807 (scan_region): Call rethrow_used() instead of accessing data structure.
14808 (update_rethrow_references): New function to make sure only regions
14809 which are still targets of a rethrow are flagged as such.
14810 (process_nestinfo): New static function to initialize a handler
14811 list for a specific region.
14812 (init_eh_nesting_info): New function to allocate and initialize
14813 the list of all EH handlers reachable from all regions.
14814 (reachable_handlers): New function to retrieve the list of handlers
14815 reachable from a specific region and insn.
14816 (free_eh_nesting_info): New function to dispose of a list of
14817 reachable handlers.
14819 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14821 * flow.c (split_edge): Set JUMP_LABEL field.
14822 (commit_one_edge_insertion): Set head correctly for insert_before.
14823 When inserting insns, update insn block numbers if allocated.
14825 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14827 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
14828 retry_incomplete_types): Add static prototype.
14829 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
14830 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
14831 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
14832 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
14833 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
14836 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
14837 dwarf2out_start_source_file, dwarf2out_line): Likewise.
14839 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14841 * output.h (assemble_name): Constify a char*.
14843 * varasm.c (UNIQUE_SECTION, assemble_start_function,
14844 assemble_variable, assemble_name): Likewise.
14846 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
14848 * arm/pe.c (arm_pe_unique_section): Likewise.
14850 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
14852 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
14854 * i386/interix.c (i386_pe_unique_section): Likewise.
14856 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
14858 * i386/winnt.c (i386_pe_unique_section): Likewise.
14860 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
14862 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
14864 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
14866 * pa/pa.c (output_call): Likewise.
14868 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
14870 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
14872 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
14875 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
14878 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
14880 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
14881 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
14883 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
14885 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14887 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
14889 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14891 * tree.h (lang_identify): Constify a char*.
14892 (print_error_function): Add extern prototype. Constify a char*.
14894 * c-lang.c (lang_identify): Constify a char*.
14896 * objc/objc-act.c (lang_identify): Constify a char*.
14898 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14900 * genpeep.c (main): Make generated file include "function.h".
14901 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
14903 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14905 * Makefile.in: Update dependencies.
14906 * alias.c: Include "function.h"
14907 * c-decl.c: Likewise.
14908 * caller-save.c: Likewise.
14909 * calls.c: Likewise.
14910 * combine.c: Likewise.
14912 * explow.c: Likewise.
14913 * final.c: Likewise.
14914 * global.c: Likewise.
14915 * graph.c: Likewise.
14916 * local-alloc.c: Likewise.
14917 * loop.c: Likewise.
14918 * optabs.c: Likewise.
14919 * profile.c: Likewise.
14920 * recog.c: Likewise.
14921 * regclass.c: Likewise.
14922 * regmove.c: Likewise.
14923 * reload.c: Likewise.
14924 * reorg.c: Likewise.
14925 * resource.c: Likewise.
14926 * sched.c: Likewise.
14927 * stupid.c: Likewise.
14928 * config/1750a/1750a.c: Likewise.
14929 * config/a29k/a29k.c: Likewise.
14930 * config/arc/arc.c: Likewise.
14931 * config/arm/arm.c: Likewise.
14932 * config/arm/thumb.c: Likewise.
14933 * config/c4x/c4x.c: Likewise.
14934 * config/clipper/clipper.c: Likewise.
14935 * config/convex/convex.c: Likewise.
14936 * config/fx80/fx80.c: Likewise.
14937 * config/i860/i860.c: Likewise.
14938 * config/m68k/m68k.c: Likewise.
14939 * config/m88k/m88k.c: Likewise.
14940 * config/mips/mips.c: Likewise.
14941 * config/pdp11/pdp11.c: Likewise.
14942 * config/pyr/pyr.c: Likewise.
14943 * config/romp/romp.c: Likewise.
14944 * config/sh/sh.c: Likewise.
14945 * config/tahoe/tahoe.c: Likewise.
14946 * config/vax/vax.c: Likewise.
14947 * config/we32k/we32k.c: Likewise.
14948 * config/sparc/sparc.c: Include "function.h".
14949 (mem_min_alignment): Test current_function rather than
14950 regno_pointer_align.
14951 * config/pa/pa.c: Likewise.
14952 (compute_frame_size): Delete declaration of
14953 current_function_outgoing_args_size.
14954 * config/arc/arc.h (current_function_varargs): Delete declaration.
14955 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
14957 * config/i370/i370.h (current_function_outgoing_args_size): Delete
14959 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
14960 current_function_uses_pic_offset_table.
14961 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
14962 of current_function_returns_pointer.
14963 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14964 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14965 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14966 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14967 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14968 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14969 * config/m88k/m88k.c: Include "function.h"
14970 (call_used_regs, current_function_pretend_args_size,
14971 current_function_outgoing_args_size, frame_pointer_needed): Delete
14973 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
14975 * config/mips/mips.h (current_function_calls_alloca): Delete
14977 * config/mn10200/mn10200.h (current_function_needs_context,
14978 rtx_equal_function_value_matters): Delete declarations.
14979 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
14980 flag_pic): Delete declarations.
14981 * config/pa/pa.h (current_function_pretend_args_size,
14982 current_function_decl): Delete declarations.
14983 * config/pa/som.h (current_function_varargs): Delete declaration.
14984 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
14986 * config/pyr/pyr.h (current_function_pretend_args_size,
14987 current_function_args_size, current_function_calls_alloca): Delete
14989 * config/sh/sh.h (current_function_varargs): Delete declaration.
14990 * config/sparc/sparc.h (current_function_outgoing_args_size,
14991 current_function_calls_alloca, current_function_decl): Delete
14993 * config/spur/spur.h (current_function_pretend_args_size,
14994 current_function_calls_alloca): Delete declarations.
14995 * config/v850/v850.c (current_function_outgoing_args_size): Delete
14997 * config/vax/vms.h (current_function_name): Delete declaration.
14998 * gcse.c: Include "function.h".
14999 (current_function_name, current_function_calls_setjmp): Delete
15001 * haifa-sched.c: Include "function.h".
15002 (forced_labels): Delete declaration.
15003 * jump.c: Likewise.
15004 * reg-stack.c: Likewise.
15005 * reload1.c: Likewise.
15006 * genemit.c (main): Make generated file include function.h.
15007 * genoutput.c (output_prologue): Likewise.
15009 * builtins.c (saveregs_value, apply_args_value): Delete variables.
15010 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
15011 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
15012 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
15013 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
15014 macros for some of them.
15015 (emit_filename, emit_lineno): Delete declarations.
15016 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
15017 regno_pointer_* variables through current_function.
15018 (gen_inline_header_rtx): Delete function.
15019 (save_emit_status): Delete function.
15020 (set_new_last_label_num): New function.
15021 (clear_emit_caches): New function.
15022 (restore_emit_status): Just clear last_labelnum and call
15024 (get_last_insn_anywhere): Variable sequence_stack is now accessed
15025 through macro seq_stack.
15026 (add_insn_after): Likewise.
15027 (add_insn_before): Likewise.
15028 (remove_insn): Likewise.
15029 (pop_topmost_sequence): Likewise.
15030 (in_sequence_p): Likewise.
15031 (start_sequence_for_rtl_expr): Likewise.
15032 (start_sequence): Likewise, and likewise for
15033 sequence_rtl_expr/seq_rtl_expr.
15034 (push_topmost_sequence): Likewise.
15035 (end_sequence): Likewise.
15036 (init_virtual_regs): Now takes a "struct emit_status *" argument.
15037 All callers changed. Store into that pointer instead of globals.
15038 (init_emit): Allocate emit elt of current_function.
15039 Changes for sequence_rtl_expr/sequence_stack renaming.
15040 Call clear_emit_caches instead of doing it in-line.
15041 Access regno_pointer_* variables through current_function.
15042 (init_emit_once) Don't clear sequence_stack.
15044 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
15046 (arg_pointer_save_area): Delete declaration.
15047 (finish_expr_for_function): Renamed from init_queue; no longer static.
15048 (init_expr): Don't call init_queue.
15049 (save_expr_status, restore_expr_status): Delete functions.
15050 (expand_expr): Changes to reflect new layout of struct function.
15051 Don't access current_function_check_memory_usage when current_function
15053 * expr.h (forced_labels, save_expr_regs, saveregs_value,
15054 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
15055 current_function_outgoing_args_size, current_function_arg_offset_rtx,
15056 current_function_uses_const_pool, function_call_count,
15057 current_function_uses_pic_offset_table, nonlocal_labels,
15058 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
15059 current_function_check_memory_usage, nonlocal_goto_handler_slots,
15060 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
15062 (finish_expr_for_function): Declare.
15063 * flags.h (current_function_has_nonlocal_label,
15064 current_function_has_nonlocal_goto, current_function_is_thunk,
15065 current_function_has_computed_jump): Delete declarations.
15066 * flow.c (forced_labels): Delete declaration.
15067 * function.c (current_function_pops_args,
15068 current_function_returns_struct, current_function_returns_pcc_struct,
15069 current_function_needs_context, current_function_calls_setjmp,
15070 current_function_calls_longjmp, current_function_has_nonlocal_label,
15071 current_function_has_nonlocal_goto, current_function_is_thunk,
15072 current_function_has_computed_jump, current_function_calls_alloca,
15073 current_function_contains_functions, current_function_returns_pointer,
15074 current_function_epilogue_delay_list, current_function_args_size,
15075 current_function_pretend_args_size, current_function_arg_offset_rtx,
15076 current_function_outgoing_args_size, current_function_varargs,
15077 current_function_stdarg, current_function_args_info, cleanup_label,
15078 current_function_name, current_function_uses_const_pool,
15079 current_function_instrument_entry_exit, current_function_return_rtx,
15080 current_function_uses_pic_offset_table, nonlocal_labels,
15081 current_function_internal_arg_pointer, current_function_cannot_inline,
15082 current_function_check_memory_usage, function_call_count,
15083 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
15084 nonlocal_goto_stack_level, return_label, save_expr_regs,
15085 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
15086 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
15087 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
15088 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
15089 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
15091 (push_function_context_to): Don't save them. Don't call
15092 save_storage_status, save_emit_status or save_expr_status.
15093 (pop_function_context_from): Don't restore them. Don't call
15094 restore_storage_status or restore_expr_status.
15095 (get_func_frame_size): New function.
15096 (get_frame_size): Use it.
15097 (assign_outer_stack_local): Reflect some member name changes in struct
15099 (put_reg_into_stack): Likewise.
15100 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
15102 (fixup_var_refs): Likewise.
15103 (fix_lexical_addr): Likewise.
15104 (trampoline_address): Likewise.
15105 (prepare_function_start): Clear field inlinable of current_function.
15106 (init_function_for_compilation): New function.
15107 (expand_dummy_function_end): New function.
15108 (expand_function_end): Call finish_expr_for_function.
15109 * function.h (struct emit_status): New; fields moved here from struct
15110 function and from global variables. Add accessor macros for some of
15112 (struct expr_status): Likewise.
15113 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
15114 (struct function): Add fields expr and emit, inlinable, inl_emit,
15115 original_arg_vector, original_decl_initial, inl_last_parm_insn,
15116 inl_max_label_num. Add many comments.
15117 Add accessor macros for all elts of struct function that no longer
15118 have a global variable.
15119 (cleanup_label, return_label, frame_offset, tail_recursion_label,
15120 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
15121 stack_slot_list): Delete declarations.
15122 (get_func_frame_size): Declare.
15123 (save_expr_status, restore_expr_status, save_emit_status,
15124 save_storage_status, restore_storage_status): Delete declarations.
15125 (init_virtual_regs): Declare.
15126 * output.h (current_function_pops_args,
15127 current_function_returns_struct, current_function_returns_pcc_struct,
15128 current_function_needs_context, current_function_calls_setjmp,
15129 current_function_calls_longjmp, current_function_calls_alloca,
15130 current_function_has_nonlocal_label, current_function_varargs,
15131 current_function_has_computed_jump, current_function_returns_pointer,
15132 current_function_contains_functions, current_function_args_size,
15133 current_function_pretend_args_size, current_function_stdarg,
15134 current_function_outgoing_args_size, current_function_args_info,
15135 current_function_name, current_function_return_rtx,
15136 current_function_epilogue_delay_list,
15137 current_function_uses_const_pool, current_function_cannot_inline):
15138 Delete declarations.
15139 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
15140 regno_reg_rtx): Delete declaration.
15141 (REGNO_POINTER_FLAG): Delete macro.
15142 * stmt.c (expand_goto): Changes to reflect that some fields in struct
15143 function were renamed.
15144 * stor-layout.c (save_storage_status, restore_storage_status): Delete
15146 * toplev.c: Include "function.h".
15147 (current_function_decl): Delete declaration.
15148 (compile_file): Call init_dummy_function_start and
15149 expand_dummy_function_end around some initializations that need to
15151 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
15152 Call init_function_for_compilation.
15153 * unroll.c: Include "function.h"
15154 (unroll_loop): Access regno_pointer_* variables through
15157 * tree.h (struct tree_decl): Add elt f to saved_insns member.
15158 (DECL_SAVED_INSNS): use it.
15159 (expand_dummy_function_end): Declare.
15160 (init_function_for_compilation): Declare.
15161 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
15162 that it's no longer an INLINE_HEADER.
15163 (expand_call): Likewise.
15164 * integrate.c (finish_inline): Delete function.
15165 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
15166 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
15167 args. Don't generate an INLINE_HEADER rtx, just return the arg
15168 vector. All callers changed.
15169 (save_for_inline_copying): Create a duplicate struct emit_status to
15170 hold the emit state for compiling the current function. Use this and
15171 the other new fields in struct function that are for integration
15172 instead of an INLINE_HEADER.
15173 Use memcpy instead of bcopy.
15174 Store the current struct function in DECL_SAVED_INSNS of fndecl.
15175 (save_for_inline_nocopy): Similar changes, except no new emit_status
15177 (expand_inline_function): Get information from function structure,
15178 not from an inline header rtx.
15179 (output_inline_function): Lose code to extract the necessary
15180 information from an inline header; simply put back the function
15181 structure into current_function. Clear its inlinable elt.
15182 * rtl.def (INLINE_HEADER): Delete.
15183 * rtl.h: Delete all accessors for an INLINE_HEADER.
15184 (gen_inline_header_rtx): Delete declaration.
15185 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
15186 Delete declarations.
15187 (REGNO_POINTER_ALIGN): Delete.
15188 (clear_emit_caches): Declare.
15189 (set_new_last_label_num): Declare.
15191 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
15193 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
15195 * except.c (expand_eh_region_start_for_decl): Always start a new block.
15196 * stmt.c (is_eh_region): Make sure current_function is present, too.
15198 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
15200 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
15201 for 64bit PA targets.
15203 * pa.h (SELECT_SECTION): Define.
15204 * som.h (SELECT_SECTION): Delete.
15206 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15208 * alias.c (init_alias_analysis): Wrap call to
15209 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
15211 1999-08-07 Bruce Korb <autogen@linuxbox.com>
15213 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
15214 <sys/asm.h> contains an asm comment with an apostrophe
15215 * fixinc/inclhack.sh: regen
15216 * fixinc/fixincl.x: regen
15218 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
15220 * function.c (init_function_start): Clear prologue & epilogue.
15221 (prologue_epilogue_contains): New function.
15222 * alias.c (init_alias_analysis): Use it.
15223 * rtl.h (prologue_epilogue_contains): Declare it.
15225 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
15227 * jump.c (onlyjump_p): New function.
15228 * rtl.h: Declare it.
15229 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
15230 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
15232 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
15234 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
15235 to invert loops. Simplify block scanning.
15237 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15239 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
15240 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
15242 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
15244 * config/sparc/liteelf.h: New file to support sparclite-elf target
15245 * config/sparc/t-sp86x: New file to support sparc86x targets
15246 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
15247 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
15248 * configure.in: Support above target triplets
15249 * configure: Regenerated
15251 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
15253 * fixinc/server.c (server_setup): Do not prefix function used as
15254 parameter with `&'.
15256 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
15258 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
15259 Remove fp reg alternatives.
15261 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
15263 * Makefile.in (TAROUTOPTS): Kill.
15264 (install-headers-tar): Use "xpf" for tar headerfile extraction
15265 * i370/x-oe (TAROUTOPTS): Delete.
15266 * m68k/x-apollo68 (TAROUTOPTS): Delete.
15267 * m68k/x-hp320 (TAROUTOPTS): Delete.
15268 * m68k/x-hp320g (TAROUTOPTS): Delete.
15269 * gcc.texi: Update bug reporting text.
15271 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15273 * reg-stack.c (change_stack) Fixed problem with negative array index.
15275 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
15277 * extend.texi, install.texi: Fix spelling mistakes.
15279 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
15280 (s-attrtab); No longer try to use pre-made insn-attrtab file.
15281 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
15282 PREMADE_ATTRTAB_MD.
15283 * mips/t-ecoff: Likewise.
15284 * mips/t-elf: Likewise.
15285 * mips/t-mips: Likewise.
15286 * mips/t-osfrose: Likewise.
15287 * mips/t-r3900: Likewise.
15288 * mips/t-svr3: Likewise.
15289 * mips/t-svr4: Likewise.
15290 * mips/t-ultrix: Likewise.
15292 * gcc.texi: Document recommend means to provide software floating
15293 point libraries in libgcc.a
15295 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
15297 * c-lex.c (yylex): We can have a number with no digits.
15299 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
15301 * jump.c (delete_prior_computation): New function, broken
15302 out of delete_computation. Check for side effects with
15303 side_effects_p instead of FIND_REG_INC_NOTE. Handle
15304 multi-word hard registers.
15305 (delete_computation): Use it. Check for side effects with
15306 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
15307 missing REG_DEAD note for a register which is both set and
15310 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
15312 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
15313 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
15314 (ASM_FILE_START): Import _mcount with the right type.
15315 (ASM_DECLARE_FUNCTION_NAME): Define.
15316 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
15317 * pa.c (output_function_prologue): Always emit the function's label
15319 * pa.h (TEXT_SPACE_P): Define.
15320 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
15321 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
15322 * som.h (TEXT_SPACE_P): Delete.
15323 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
15324 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
15326 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
15328 * expr.c (emit_group_load): Allow src to be a CONCAT.
15330 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15332 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
15333 (___mulsi3): Use '!' comment character.
15335 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15337 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
15339 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
15341 * gcc.c: Update URLs and mail addresses.
15342 * gcc.texi: Likewise.
15344 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
15346 * rs6000.c (current_file_function_operand): Return zero for
15348 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
15350 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
15353 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
15355 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
15356 allocate space in the stack frame for the PIC register.
15358 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
15360 * m68k.md (xordi3, anddi3): These patterns are not available on
15363 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
15365 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
15366 (PUT_REAL): Likewise.
15368 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15370 * final.c (shorten_branches): Don't add an alignment for loops
15371 that have no label inside.
15373 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15375 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
15376 prototypes in macro HAVE_cmpstrsi.
15378 * cpplib.c (cpp_get_token): Remove unused label `op3'.
15380 * emit-rtl.c (operand_subword): Remove unused variable
15383 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
15385 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
15387 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
15389 * cpphash.c (macroexpand): Delete leading whitespace when arg
15390 is concatenated before.
15391 (unsafe_chars): Correct test for whether + and - can extend a
15394 * cppinit.c (cpp_start_read): Do dependencies for
15395 -include/-imacros files also.
15397 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
15398 tokenizing non-directive lines.
15399 (cpp_expand_to_buffer): Temporarily disable no-output mode.
15400 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
15403 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15405 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
15407 * c-lex.c: Sync with C++ frontend.
15408 (linemode): New variable.
15409 (parse_float): imag, conversion_errno, and type are output only.
15410 (yylex): Adjust. Move initial '.' case into main switch.
15412 (handle_generic_pragma): Just deal with tokens.
15413 (readescape): Use ISXDIGIT and ISGRAPH.
15414 * c-parse.in: Add END_OF_LINE token.
15416 * c-lex.c (lang_init): Generalize.
15417 (nextchar): Remove. Replace uses with UNGETC.
15418 (skip_white_space): Handle linemode here. Optimize for cpplib.
15419 (skip_white_space_on_line): Remove.
15420 (extend_token_buffer_to): New fn.
15421 (extend_token_buffer): Use it.
15422 (read_line_number, check_newline): Just deal with tokens.
15423 (token_getch, token_put_back): New fns.
15424 (yylex): Use them. More cpplib optimizations. Simplify.
15426 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
15427 Jason Merrill <jason@yorick.cygnus.com>
15429 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
15430 (consume_string): Make this smart about USE_CPPLIB.
15431 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
15432 (yylex): Rewrite to be intelligent about USE_CPPLIB.
15433 Also, clean up cases where we redundantly set token_buffer[0].
15434 (read_line_number): New fn.
15435 (ignore_escape_flag): New variable.
15437 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
15439 * a29k/t-a29kbare: Fix some comments.
15440 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
15441 (FPBIT, DPBIT): Define.
15442 * a29k/t-vx29k: Likewise.
15443 * arc/t-arc: Likewise.
15444 * arm/t-arm-elf: Likewise.
15445 * arm/t-bare: Likewise.
15446 * arm/t-pe: Likewise.
15447 * arm/t-pe-thumb: Likewise.
15448 * arm/t-semi: Likewise.
15449 * arm/t-thumb: Likewise.
15450 * arm/t-thumb-elf: Likewise.
15451 * arm/t-thumb-linux: Likewise.
15452 * h8300/t-h8300: Likewise.
15453 * i960/t-i960: Likewise.
15454 * i960/t-vxworks960: Likewise.
15455 * m32r/t-m32r: Likewise.
15456 * mips/t-ecoff: Likewise.
15457 * mips/t-elf: Likewise.
15458 * mips/t-r3900: Likewise.
15459 * pa/t-pro: Likewise.
15460 * rs6000/t-aix43: Likewise.
15461 * rs6000/t-beos: Likewise.
15462 * rs6000/t-newas: Likewise.
15463 * rs6000/t-ppccomm: Likewise.
15464 * rs6000/t-rs6000: Likewise.
15465 * rs6000/t-winnt: Likewise.
15466 * rs6000/t-xnewas: Likewise.
15467 * rs6000/t-xrs6000: Likewise.
15468 * sh/t-sh: Likewise.
15469 * sparc/t-elf: Likewise.
15470 * sparc/t-sparcbare: Likewise.
15471 * sparc/t-sparclite: Likewise.
15472 * sparc/t-splet: Likewise.
15473 * v850/t-v850: Likewise.
15474 * mn10200/t-mn10200: Fix comments.
15475 * mn10300/t-mn10300: Likewise.
15477 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
15478 dummy operand. Allocate a new pseudo for the dummy operand.
15479 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
15481 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
15483 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
15485 * configure: Rebuilt.
15486 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
15488 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
15490 * recog.c (preproces_constraints): Zero recog_op_alt before
15491 processing the constraints.
15493 * arm.c (typedef minipool_node): Renamed from pool_node.
15494 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
15495 (add_minipool_constant): New function.
15496 (dump_minipool): New function.
15497 (find_barrier): Remove special case for getting the insn size of
15498 an insn that references the constant pool.
15499 (minipool_fixup): New structure.
15500 (push_minipool_barrier): New function.
15501 (push_minipool_fix): New function.
15502 (note_invalid_constants): New function.
15503 (add_pool_constant, dump_table, fixit, broken_move): Delete.
15504 (arm_reorg): Rewrite code to fix up the constant pool into a
15505 series of mini-pools embedded in the insn stream.
15506 (arm_output_epilogue): New function, made mainly from the body
15507 of output_func_epilogue.
15508 (output_func_epilogue): Move insn generation part of epilogue code
15509 to arm_output_epilogue.
15510 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
15511 * arm.md (pool_range): New attribute.
15512 (zero_extendqidi2): Add attribute pool_range.
15513 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
15514 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
15515 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
15516 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
15517 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
15518 (epilogue): New expand.
15519 (epilogue_insn): New insn. Call arm_output_epilogue.
15521 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
15522 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
15524 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15526 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
15528 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
15530 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
15532 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
15534 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
15536 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
15538 * global.c: Fix comment.
15540 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
15542 * gcc.c (access_check): New static function.
15543 (find_a_file): Use it when searching a directory list.
15544 * collect2.c (find_a_file): Don't accept directories found when
15545 searching a directory list.
15547 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
15549 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
15550 function parameters with `&'.
15551 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
15553 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
15555 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
15556 or tidy_fallthru_edge if the last insn in the block is not
15557 an unconditional jump or a simple conditional jump.
15559 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15561 * Makefile.in (c-decl.o): Depends on defaults.h.
15563 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
15565 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
15567 (CLASS_MAX_NREGS): Likewise.
15569 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
15571 * cse.c (cse_insn): Fix dumb thinko in last change.
15573 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15575 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
15578 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
15580 * dwarf2out.c (add_location_or_const_value_attribute): Correct
15581 test for sizes of passed and declared parameter types.
15583 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15585 * fixincludes: Fix the return type of bsearch, char* -> void*.
15587 * fixinc/inclhack.def: Likewise.
15589 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
15591 * invoke.texi (-fdump-translation-unit): New option.
15593 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
15595 * expr.h (PROMOTE_PROTOTYPES): Move ...
15596 * defaults.h: ... to here.
15597 * c-decl.c: Include defaults.h instead of expr.h.
15598 * c-typeck.c: Include defaults.h.
15600 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
15602 * toplev.h (errorcount): Declare.
15603 (warningcount): Likewise.
15604 (sorrycount): Likewise.
15605 * c-lex.c (errorcount): Don't declare.
15606 * dwarf2out.c (errorcount): Don't declare.
15608 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
15610 * config/libgloss.h: Add a note discouraging use with ELF.
15611 * configure.in: Don't use libgloss.h for ELF targets.
15612 Always use_collect2 on a.out targets.
15614 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
15616 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
15617 (force_to_mode, case ASHIFTRT): Add shiftrt label.
15619 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15621 * loop.c (strength_reduce): When doing biv->giv conversion, update
15622 reg note of NEXT->insn.
15624 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15626 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
15628 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15630 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
15631 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
15632 Ensure expr.h is included.
15633 * c-typecheck.c (convert_arguments): Ditto.
15635 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
15637 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
15638 * config/convex/convex.h: Ditto.
15639 * config/dsp16xx/dsp16xx.h: Ditto.
15640 * config/fx80/fx80.h: Ditto.
15641 * config/gmicro/gmicro.h: Ditto.
15642 * config/i370/i370.h: Ditto.
15643 * config/i386/i386.h: Ditto.
15644 * config/m32r/m32r.h: Ditto.
15645 * config/m68k/m68k.h: Ditto.
15646 * config/m88k/m88k.h: Ditto.
15647 * config/mips/mips.h: Ditto.
15648 * config/pa/pa.h: Ditto.
15649 * config/pyr/pyr.h: Ditto.
15650 * config/tahoe/tahoe.h: Ditto.
15651 * config/we32k/we32k.h: Ditto.
15653 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
15654 based on arch size.
15656 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
15658 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
15661 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
15663 1999-08-02 Richard Henderson <rth@cygnus.com>
15665 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
15666 for the register spill block.
15667 (m32r_va_arg): New.
15668 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
15669 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
15671 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
15672 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
15673 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
15675 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15677 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
15678 MAX_WCHAR_TYPE defined in sparc.h.
15679 * config/sparc/linuxaout.h: Likewise.
15680 * config/sparc/linux64.h: Likewise.
15681 Also default to -mvis if CPU is UltraSPARC.
15683 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15685 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
15686 (RTX_OK_FOR_OLO10): Likewise.
15687 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
15688 %lo(), allow it in addresses...
15689 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
15690 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
15691 does not make sense.
15692 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
15693 (sparc_output_scratch_registers): New function.
15694 (output_function_prologue, sparc_flat_output_function_prologue): Use
15696 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
15698 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
15699 * configure.in: Add check for .register pseudo-op support in as and
15700 check for offsetable %lo().
15701 * acconfig.h: Add templates for the above checks.
15702 * configure: Regenerate.
15704 1999-08-02 Richard Henderson <rth@cygnus.com>
15706 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
15707 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
15708 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
15710 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15712 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
15715 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15717 * config/float-sparc.h: New file.
15718 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
15719 sparc-*-linux-gnu and sparc64-*-linux*.
15721 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15723 * rs6000.c (rs6000_va_list): Type is an array.
15724 (rs6000_va_start): Don't doubly adjust for varargs.
15725 (rs6000_va_arg): Evaluate long long GPR adjustment.
15727 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
15729 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
15730 -maix64 and -maix32.
15731 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
15732 LINK_SPEC): Change appropriately.
15733 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
15734 (u_short_cint_operand): Likewise.
15735 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
15737 * rs6000/t-aix43 (MULTILIB): Change to -m64.
15739 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
15741 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
15743 * rs6000/rs6000.c (num_insns_constant_wide): Correct
15744 for type promotion.
15745 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
15746 (non_add_cint_operand): Likewise.
15747 (logical_operand): Likewise.
15748 (non_logical_cint_operand): Likewise.
15749 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
15750 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
15751 (rs6000_select_rtx_section): Suppress warning.
15752 (small_data_operand): Suppress warning.
15753 (rs6000_got_register): Suppress warning.
15754 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
15755 type, so `J' is generally the wrong constraint for a SImode value;
15757 (andsi3_internal2): Likewise.
15758 (andsi3_internal3): Likewise.
15759 (iorsi3_internal1): Likewise.
15760 (xorsi3_internal1): Likewise.
15762 (movsf_softfloat): Likewise.
15763 (scc insns): Likewise.
15764 (movsi+2): Preserve sign bits of SImode constant.
15765 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
15766 (movdf+1): Sign-extend properly.
15767 (movdi_32+1): Sign-extend properly.
15768 (scc insns): Sign-extend properly.
15770 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
15773 1999-08-02 Richard Henderson <rth@cygnus.com>
15775 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
15776 -mcpu parsing code.
15777 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
15778 * alpha.md (all fp insns): Likewise.
15780 1999-08-02 Nick Clifton <nickc@cygnus.com>
15782 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
15785 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
15787 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
15788 pic_load_label generator directly.
15789 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
15790 No longer a named pattern.
15792 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
15794 * explow.c (force_reg): Call force_operand if X does not
15795 satisfy general_operand.
15797 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
15799 * fix-header.c (main): When testing for CONTINUED, use string
15800 equality, not pointer equality.
15802 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
15804 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
15806 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
15808 * cse.c (cse_insn): Fix loop which deletes insns after a jump
15809 that has become an unconditional jump.
15811 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
15812 (output_function_epilogue): Similarly.
15814 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15816 * tree.h (init_dummy_function_start): Declare.
15818 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15820 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
15821 last_expr_type, last_expr_value, block_start_count, block_stack,
15822 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
15823 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
15824 dynamically in stmt elt of struct function for each function.
15825 (struct nesting): Rename function_call_count elt to n_function_calls,
15826 target_temp_slot_level to block_target_temp_slot_level. All users
15828 (struct stmt_status): New structure definition.
15829 Add many accessor macros for stmt_status elements which previously
15830 were global variables.
15831 (init_stmt_for_function): Allocate stmt elt for current_function.
15832 Reflect that block_start_count was renamed to
15833 current_block_start_count.
15834 (save_stmt_status, restore_stmt_status): Delete functions.
15835 (preserve_subexpressions_p): Don't access loop_stack when outside
15837 (expand_start_bindings): Reflect that block_start_count was renamed to
15838 current_block_start_count.
15839 (expand_fixup): Likewise.
15840 (expand_decl): Don't access block_stack when outside a function.
15841 (expand_decl_cleanup): Likewise.
15842 (expand_dcc_cleanup): Likewise.
15843 (expand_dhc_cleanup): Likewise.
15844 (expand_anon_union_decl): Likewise.
15845 (set_file_and_line_for_stmt): New function.
15846 (in_control_zone_p): New function.
15848 * function.h (struct function): Add new elt stmt.
15849 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
15850 case_stack, nesting_stack, nesting_depth, block_start_count,
15851 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
15852 emit_lineno, goto_fixup_chain.
15853 (save_eh_status, restore_eh_status, save_stmt_status,
15854 restore_stmt_status): Delete declarations.
15855 * function.c (push_function_context_to): Don't call save_stmt_status.
15856 (pop_function_context_to): Don't call restore_stmt_status.
15857 * tree.h (in_control_zone_p): Declare.
15858 * rtl.h (set_file_and_line_for_stmt): Declare.
15860 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
15861 call set_file_and_line_for_stmt.
15863 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
15865 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
15866 Also update copyright.
15868 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15870 * c-pragma.c: Don't include "except.h".
15871 * emit-rtl.c: Likewise.
15872 * stor-layout.c: Likewise.
15873 * tree.c: Likewise.
15874 * varasm.c: Likewise.
15876 * flow.c: Include "function.h".
15877 * tree.h (init_dummy_function_start): Declare new function.
15879 * except.h (struct eh_status): New structure.
15880 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
15882 (eh_return_stub_label, ehstack, catchstack, ehqueue,
15883 catch_clauses, false_label_stack, caught_return_label_stack,
15884 protect_list, current_function_ehc): Add accessor macros for the
15885 corresponding fields in current_function->eh; delete declarations
15886 for all items that used to be declared here.
15887 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
15888 catch_clauses, false_label_stack, caught_return_label_stack,
15889 protect_list, current_function_ehc): Delete variables.
15890 (init_eh_for_function): Allocate current_function->eh.
15891 (save_eh_status, restore_eh_status): Delete functions.
15893 * function.h (struct function): Add fields next_global and eh.
15894 Delete all exception handling related fields.
15895 * function.c (current_function): New variable.
15896 (all_functions): New variable.
15897 (push_function_context_to): Don't allocate a struct function,
15898 use current_function instead. Call init_dummy_function_start when
15899 outside a function. Clear current_function before returning.
15900 (pop_function_context_from): Restore current_function.
15901 Don't free the restored struct function.
15902 (prepare_function_start): New function.
15903 (init_dummy_function_start): New function.
15904 (init_function_start): Break out some code into prepare_function_start
15907 * stmt.c (save_stmt_status): Don't call save_eh_status.
15908 (restore_stmt_status): Don't call restore_eh_status.
15910 * Makefile.in: Update dependencies.
15912 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
15914 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
15915 of depending on a magic constant value. Update comments.
15916 (hppa_expand_prologue): Similarly.
15918 * pa.md (reload_indi, reload_outdi): Allow any register for the
15919 original reload register.
15921 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
15923 * cccp.c (print_help): Change marcos to macros.
15925 1999-07-30 Richard Henderson <rth@cygnus.com>
15927 * c-typeck.c (initializer_constant_valid_p): Move ...
15928 * c-common.c (initializer_constant_valid_p): ... here. Use
15929 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
15930 of label addresses.
15931 * c-common.h (initializer_constant_valid_p): Declare.
15932 * c-tree.h (initializer_constant_valid_p): Remove.
15934 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
15936 * config/i386/sol2-c1.asm: Align the stack.
15937 * config/i386/sol2-gc1.asm: Likewise.
15939 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
15941 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
15942 -Asparclite for sparc86x.
15943 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
15945 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
15947 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
15949 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
15950 the user if using the non-default arch size in BI_ARCH configuration.
15951 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
15953 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
15954 Fix patterns so that they actually match.
15955 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
15956 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
15957 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
15959 (mulsidi3): Reflect this in the expand.
15960 (smulsi3_highpart): Only on TARGET_ARCH32.
15961 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
15962 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
15963 (umulsidi3): Reflect this in the expand.
15964 (umulsi3_highpart): Only on TARGET_ARCH32.
15965 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
15966 don't require g0 to be zero.
15967 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
15968 ({,u}divsi3): New expands.
15969 ({,u}divsi3_sp64): New patterns.
15970 (after lshrdi3_v8plus): Four new patterns to help combiner
15971 optimizing nested mixed mode shifts.
15973 * config/sparc/sparc.c (sparc_override_options): Use deprecated
15974 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
15975 speed things up. Don't use them by default on plain v9 in 64bit
15976 mode, according to what SPAMv9 sais.
15978 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
15979 top 32 bits of %[og][0-7] in signal handlers.
15980 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
15982 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
15984 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
15985 (ashlsi3): Corresponding changes.
15987 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
15989 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
15991 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
15993 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15995 * arm.h (Hint): Delete macro.
15996 Substitute HOST_WIDE_INT for Hint in some prototypes.
15997 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
15999 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
16001 * builtins.c (expand_builtin_setjmp): Use force_operand to
16002 make sure that the buffer address is in a suitable form to be
16003 passed to force_reg.
16005 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
16007 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
16010 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
16012 * pa.md (indirect_jump): Remove mode from match_operand. Verify
16013 proper mode in the condition string.
16014 (icacheflush, dcacheflush): Remove modes from match_operands.
16016 * pa.c (emit_move_sequence): Always convert scratch_reg to the
16017 proper mode before using it.
16019 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
16022 * pa.c (store_reg): Do not call add_high_const generator directly.
16023 (load_reg, set_reg_plus_d): Likewise.
16024 * pa.md (add_high_const): No longer a named pattern.
16026 * pa.c (legitimize_address): Consistently use Pmode rather than
16027 SImode. Do not call gen_pic2_highpart directly anymore.
16028 * pa.md (pic2_highpart): No longer a named pattern.
16029 (pic2_lo_sum): Similarly. Reformat to make more readable.
16031 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
16036 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16038 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
16040 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
16042 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
16043 and tag the spill mems.
16044 (hppa_va_start): New.
16045 (hppa_va_arg): New.
16046 * pa.h (EXPAND_BUILTIN_VA_START): New.
16047 (EXPAND_BUILTIN_VA_ARG): New.
16049 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
16051 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
16052 and tag the spill mems.
16053 (mn10300_va_start): New.
16054 (mn10300_va_arg): New.
16055 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
16056 (EXPAND_BUILTIN_VA_ARG): New.
16058 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
16060 * mn10200.c (mn10200_va_arg): New.
16061 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
16063 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
16065 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
16066 rather than play with TREE_INT_CST_LOW.
16068 1999-07-27 Philip Blundell <pb@nexus.co.uk>
16070 * config/arm/telf.h: Include dbxelf.h.
16071 (CPP_PREDEFINES): Only define if not already defined.
16072 (ASM_IDENTIFY_GCC): Likewise.
16073 (SUBTARGET_EXTRA_SECTIONS): Likewise.
16074 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
16075 * config/arm/thumb.h (LINK_SPEC): Only define if not already
16077 (DBX_DEBUGGING_INFO): Don't define.
16078 * config/arm/linux-telf.h: New file.
16079 * config/arm/linux-tgas.h: New file.
16080 * config/arm/t-thumb-linux: New file.
16081 * config/arm/uclinux-elf.h: New file.
16082 * config/arm/uclinux-telf.h: New file.
16083 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
16084 thumb-*-uclinux): New targets.
16085 * configure: Regenerate.
16087 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
16089 * pa.md (post_store, pre_load): New expanders.
16090 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
16091 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
16092 need to directly generate RTL for them.
16093 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
16096 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
16098 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
16099 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
16100 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
16101 (secndary_reload_class): Make TARGET_ELF conditional compile.
16102 (print_operand_address): Similar.
16103 (output_toc): Print all values as hex.
16104 (get_issue_rate): Rearrange and add RS64A and PPC630.
16105 * rs6000.h (processor_type): Add RS64A and PPC630.
16106 (PROCESSOR_POWERPC64): New.
16107 (PROMOTE_MODE): Use word_mode.
16108 (RTX_COSTS): Add RS64A and PPC630.
16109 * rs6000.md (scheduling information): Add lmul and ldiv
16110 representing 64-bit integer multiply and divide. Add rs64a and
16111 PPC630 information.
16112 (ashldi3): Add support for "rldic" instruction.
16113 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
16115 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
16117 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
16118 instead of V8 for sparclite86x in cpu_table.
16120 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16122 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
16123 output_file_directive.
16125 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
16127 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
16128 tree for op1, not the rtl.
16130 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
16132 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
16133 to m88k_va_start, leaving only the register spill.
16134 (m88k_build_va_list): New.
16135 (m88k_va_start): New.
16136 (m88k_va_arg): New.
16137 * m88k.h (BUILD_VA_LIST_TYPE): New.
16138 (EXPAND_BUILTIN_VA_START): New.
16139 (EXPAND_BUILTIN_VA_ARG): New.
16141 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
16143 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
16144 Rename from expand_builtin_saveregs.
16145 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
16147 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
16149 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
16150 for the register spill block.
16151 (i960_build_va_list): New.
16152 (i960_va_start): New.
16153 (i960_va_arg): New.
16154 * i960.h (BUILD_VA_LIST_TYPE): New.
16155 (EXPAND_BUILTIN_VA_START): New.
16156 (EXPAND_BUILTIN_VA_ARG): New.
16157 * i960.md (store_multiple): Use change_address on individul mems.
16159 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
16161 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
16163 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
16164 (expand_builtin_va_end): Evaluate arg for side effects.
16165 * c-common.c (c_common_nodes_and_builtins): Construct a
16166 va_list_arg_type_node to handle array decomposition to pointer.
16168 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
16170 * except.c (start_dynamic_cleanup): Use force_operand on the
16173 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
16175 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
16176 * c4x.c (c4x_va_arg): New.
16178 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
16180 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
16181 has manual_pop set.
16183 1999-07-26 Nathan Sidwell <nathan@acm.org>
16185 * eh-common.h (__eh_matcher): Prototype correctly.
16187 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
16189 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
16190 (TARGET_SINGLE_PIC_BASE): Likewise.
16191 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
16193 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
16194 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
16195 (TARGET_OPTIONS): Add -mpic-register=N.
16196 (OUTPUT_INT_ADDR_CONST): New macro.
16197 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
16198 LEGITIMATE_PIC_OPERAND_P): Likewise.
16199 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
16200 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
16201 output_addr_const directly.
16202 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
16204 (thumb_pic_register, thumb_pic_register_string): Declare.
16206 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
16208 (label_mentioned_p): New function: Imported from arm.c.
16209 (legitimize_pic_address): New function: Imported from arm.c.
16210 (is_pic):New function: Imported from arm.c.
16211 (thumb_finalize_pic):New function: Imported from arm.c.
16212 (add_constant): Cope with PIC constants.
16213 (fixit): Cope with PIC constants.
16214 (output_return): Do not treat the PIC register as live if
16215 TARGET_SINGLE_PIC_BASE is true.
16216 (thumb_function_prologue): Do not treat the PIC register as live if
16217 TARGET_SINGLE_PIC_BASE is true.
16218 (thumb_expand_prologue): Do not treat the PIC register as live if
16219 TARGET_SINGLE_PIC_BASE is true.
16220 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
16221 TARGET_SINGLE_PIC_BASE is true.
16222 (thumb_print_operand): Accept '|'.
16223 (thumb_override_options): Process PIC options.
16225 * config/arm/thumb.md (movsi): Support PIC.
16226 (call_insn): Change "i" constraint to "X".
16227 (call_value_insn): Likewise.
16228 (consttable_4, consttable_8, consttable_end): Set and clear
16229 "making_const_table" as appropriate.
16230 (pic_load_addr, pic_add_dot_plus_four): New insns.
16232 * invoke.texi (Thumb Options): Fix spelling. Document new
16233 options -msingle-pic-base and -mpic-register=.
16235 1999-07-26 Andrew Haley <aph@cygnus.com>
16237 * config/m32r/initfini.c (__init): Use a full word immediate for
16238 __fini: this allows it to be placed in any memory region.
16240 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
16241 -mmodel=medium. This is OK for all memory models.
16243 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
16245 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
16246 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
16248 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
16250 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
16253 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
16255 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
16257 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
16258 (BUILD_VA_LIST_TYPE): New.
16259 (EXPAND_BUILTIN_VA_START): New.
16260 (EXPAND_BUILTIN_VA_ARG): New.
16261 * i860.c (output_delayed_branch): Disable.
16262 (output_delay_insn): Likewise.
16263 (i860_saveregs): New.
16264 (i860_build_va_list): New.
16265 (i860_va_start): New.
16266 (i860_va_arg): New.
16267 * i860.md: Disable all peepholes using output_delayed_branch.
16268 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
16270 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
16272 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
16273 (BUILD_VA_LIST_TYPE): New.
16274 (EXPAND_BUILTIN_VA_START): New.
16275 (EXPAND_BUILTIN_VA_ARG): New.
16276 * clipper.c (clipper_builtin_saveregs): Only dump registers.
16277 Return the address of the save area.
16278 (clipper_build_va_list): New.
16279 (clipper_va_start): New.
16280 (clipper_va_arg): New.
16282 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
16284 * arc.h (EXPAND_BUILTIN_VA_START): New.
16285 (EXPAND_BUILTIN_VA_ARG): New.
16286 * arc.c (arc_setup_incoming_varargs): Set alias set of
16288 (arc_va_start): New.
16291 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
16293 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
16294 (BUILD_VA_LIST_TYPE): New.
16295 (EXPAND_BUILTIN_VA_START): New.
16296 (EXPAND_BUILTIN_VA_ARG): New.
16297 * alpha.c (alpha_builtin_saveregs): Delete.
16298 (alpha_build_va_list): New.
16299 (alpha_va_start): New.
16300 (alpha_va_arg): New.
16302 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
16304 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
16306 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
16307 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
16309 * gcc.texi: More changes related to list conversion.
16310 * invoke.texi: Likewise.
16312 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
16314 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
16315 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
16316 (expand_builtin_next_arg): Accept ARGLIST not EXP.
16317 (stabilize_va_list): New function.
16318 (std_expand_builtin_va_start): New function.
16319 (expand_builtin_va_start): New function.
16320 (get_varargs_alias_set): New function.
16321 (std_expand_builtin_va_arg): New function.
16322 (expand_builtin_va_arg): New function.
16323 (expand_builtin_va_end): New function.
16324 (expand_builtin_va_copy): New function.
16325 (expand_builtin): Call them.
16326 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
16327 __builtin_{varargs_start,stdarg_start,end,copy}.
16328 (build_va_arg): New function.
16329 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
16330 (build_va_arg): Declare.
16331 * c-decl.c (ptr_type_node, va_list_type_node): New.
16332 * c-parse.gperf (__builtin_va_arg): New.
16333 * c-parse.in (VA_ARG): New token.
16334 (unary_expr): Recognize it.
16335 * expr.c (expand_expr): Expand VA_ARG_EXPR.
16336 * expr.h (std_expand_builtin_va_start): Declare.
16337 (std_expand_builtin_va_arg): Declare.
16338 (expand_builtin_va_arg): Declare.
16339 (get_varargs_alias_set): Declare.
16340 * tree.def (VA_ARG_EXPR): New.
16341 * tree.h (BUILT_IN_VARARGS_START): New.
16342 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
16343 (ptr_type_node, va_list_type_node): Declare.
16344 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
16345 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
16346 * m88k.h, m88k.c: Likewise.
16347 * mn10300.h, mn10300.c: Likewise.
16348 * pa.h, pa.c: Likewise.
16349 * rs6000.h, rs6000.c: Likewise.
16350 * sh.h, sh.c: Likewise.
16351 * sparc.h, sparc.c: Likewise.
16353 * emit-rtl.c (operand_subword): Copy alias set.
16354 (change_address): Likewise.
16356 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
16358 * pa.c (compute_frame_size): Scan all the used callee saved registers,
16359 not just the first one.
16361 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
16363 * config/arm/arm.h (TARGET_SWITCHES): Add
16364 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
16365 (TARGET_OPTIONS): Add -mpic-register=.
16366 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
16367 (arm_pic_register_string): Declare.
16368 (NEED_PLT_GOT): Delete, replace with ...
16369 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
16370 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
16371 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
16372 * config/arm/arm.c (arm_override_options): Add new option
16374 (arm_pic_register_string): New variable.
16375 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
16376 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
16377 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
16378 (output_return_instruction): Likewise.
16379 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
16380 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
16381 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
16383 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
16384 mention of -msched-prolog. Document new options -msingle-pic-base
16385 and -mpic-register=.
16387 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
16389 * haifa-sched.c (reemit_notes): Tidy.
16390 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
16393 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
16395 * explow.c (trunc_int_for_mode): New function.
16396 (plus_constant_wide): Use it.
16397 * combine.c (simplify_and_const_int): Likewise.
16398 (merge_outer_ops): Likewise.
16399 (simplify_shift_const): Likewise.
16400 * cse.c (simplify_unary_operation): Likewise.
16401 (simplify_binary_operation): Likewise.
16402 * emit-rtl.c (operand_subword): Likewise.
16403 * rtl.h: Declare it.
16405 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16407 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
16408 (use NUM_REGS instead of NUM_INTS).
16410 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16412 * builtins.c: New file.
16413 * expr.c (saveregs_value, apply_args_value): Delete definition,
16414 moved into builtins.c.
16415 (string_constant): No longer static.
16416 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
16417 apply_args_size, apply_result_size, result_vector,
16418 expand_builtin_apply_args, expand_builtin_apply,
16419 expand_builtin_return): Delete functions, moved into builtins.c.
16420 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
16421 * expr.h (saveregs_value, apply_args_value): Declare variables.
16422 (expand_builtin, string_constant): Declare functions.
16423 * Makefile.in: Update to build builtin.o.
16425 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16427 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
16428 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
16429 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
16430 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
16432 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
16435 1999-07-21 Michael Meissner <meissner@cygnus.com>
16437 * print-rtl.c (print_rtx): Print the names of the virtual
16440 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
16442 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
16443 introduced in previous delta.
16445 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16447 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
16448 to avoid name clash.
16450 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16452 * c-lex.c (yylex) : Correct the test for overflow when lexing
16455 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
16457 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
16458 (adjust_priority): Always call ADJUST_PRIORITY.
16459 (schedule_insn): Only put insns into the ready at cost 0.
16460 (schedule_block): Remove redundant initial sort. Give clock_var
16461 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
16463 * tm.texi (MD_SCHED_REORDER): Update docs.
16465 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
16466 * sparc.c (ultra_reorder_called_this_block): Delete.
16467 (ultrasparc_sched_init): Don't set it.
16468 (ultrasparc_sched_reorder): Don't check it.
16470 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
16472 * rs6000.h (struct rs6000_args): Add sysv_gregno.
16473 * rs6000.c (init_cumulative_args): Init sysv_gregno.
16474 (function_arg_boundary): Align DFmode.
16475 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
16476 to get fp reg and stack overflow correct.
16477 (function_arg): Likewise.
16478 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
16479 (setup_incoming_varargs): Restructure for ABI_V4; use
16480 function_arg_advance to skip final named argument.
16481 (expand_builtin_saveregs): Properly unskip the last integer arg
16482 when doing varargs. Adjust overflow location calculation.
16484 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
16485 explicitly unsigned.
16486 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
16487 (__VA_GP_REGSAVE): Similarly.
16488 (__va_longlong_p): Delete.
16489 (__va_arg_type_violation): New declaration.
16490 (va_arg): Restructure. Flag promotion errors. Align double.
16491 TFmode passed by reference.
16493 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
16494 in the HOST_BITS_PER_WIDE_INT > 32 case.
16496 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
16498 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
16500 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
16502 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
16503 * toplev.c (documented_lang_options): Add -fpreprocessed.
16504 * cpplib.h (struct cpp_buffer): Add preprocessed.
16505 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
16506 (cpp_start_read): Don't expand macros or emit an initial #line
16507 directive if -fpreprocessed.
16509 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16511 * cpplib.h (struct cpp_buffer): Added manual_pop for
16512 better C++ tokenization.
16513 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
16514 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
16515 * c-common.c (cpp_token): Make non-static.
16517 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16519 * c-common.h: New file.
16520 * c-common.c (permanent_obstack): Delete unused declaration.
16521 (c_global_trees): New array.
16522 (c_common_nodes_and_builtins): New function; split off common code
16523 from init_decl_processing in both c-decl.c and cp/decl.c.
16524 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
16525 c_global_trees and accessor macros defined in c-common.h.
16526 Include c-common.h.
16527 * c-decl.c: Delete definitions for tree nodes that were replaced by
16529 (init_decl_processing): Build void_list_node.
16530 Call c_common_nodes_and_builtins; delete code to generate the common
16532 * objc/objc-act.c (build_module_descriptor): Rename variable
16533 void_list_node to avoid clash with c-common.h.
16535 * Makefile.in: Update dependencies.
16536 * objc/Make-lang.in: Likewise.
16538 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
16540 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
16541 (UNIQUE_SECTION_P): Likewise.
16542 (UNIQUE_SECTION): Likewise.
16544 1999-07-19 Linas Vepstas <linas@linas.org>
16546 * config/i370/README: New file.
16547 * config/i370/linux.h: New file.
16548 * config/i370/mvs.h: New file.
16549 * config/i370/oe.h: New file.
16550 * config/i370/t-linux: New file.
16551 * config/i370/t-mvs: New file.
16552 * config/i370/t-oe: New file.
16553 * config/i370/x-oe: New file.
16554 * config/i370/xm-linux.h: New file.
16555 * config/i370/xm-mvs.h: New file.
16556 * config/i370/xm-oe.h: New file.
16558 * i370.c (label_node_t): Add first_ref_page, label_addr,
16559 label_first_ref, label_last_ref members.
16560 (mvs_need_base_reload): Renamed from mvs_label_emitted.
16561 (MAX_MVS_LABEL_SIZE): Define.
16562 (MAX_LONG_LABEL_SIZE): Define.
16563 (alias_node_t, alias_anchor, alias_number): New.
16564 (mvs_function_table): Reorder for EBCDIC.
16565 (ascebc, ebcasc): Unconditionally define.
16566 (i370_branch_dest, i370_branch_length): New functions.
16567 (i370_short_branch, i370_label_scan): New functions.
16568 (mvs_get_label): Renamed from mvs_add_label. Search for
16569 an existing label before creating a new one.
16570 (mvs_add_label): New function.
16571 (mvs_get_label_page): New function.
16572 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
16573 over the entire list.
16574 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
16575 (mvs_check_page) [TARGET_ELF_ABI]: New function.
16576 (mvs_add_alias, mvs_need_alias): New functions.
16577 (mvs_get_alias, mvs_check_alias): New functions.
16578 (handle_pragma): New function.
16579 (mvs_function_check): New function.
16580 (unsigned_jump_follows_p): Search harder.
16581 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
16582 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
16583 * i370.h (TARGET_VERSION): Delete.
16584 (CPP_SPEC, CPP_PREDEFINES): Delete.
16585 (mvs_label_emitted): Delete.
16586 (TARGET_EBCDIC): Delete.
16587 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
16588 (HANDLE_PRAGMA): Define.
16589 (HARD_REGNO_NREGS): Handle complex modes.
16590 (HARD_REGNO_MODE_OK): Likewise.
16591 (CLASS_MAX_NREGS): Likewise.
16592 (RET_REG): Likewise.
16593 (EXTRA_CONSTRAINT): Define.
16594 (RETURN_IN_MEMORY): True for DImode.
16595 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
16596 (FUNCTION_PROFILER): Delete.
16597 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
16598 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
16599 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
16600 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
16601 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
16602 (ASM_FILE_START): Add "RMODE ANY".
16603 (ASM_OUTPUT_EXTERNAL): Check for aliases.
16604 (ASM_GLOBALIZE_LABEL): Likewise.
16605 (ASM_OUTPUT_LABELREF): Likewise.
16606 (ASM_OUTPUT_COMMON): Likewise.
16607 (PRINT_OPERAND): Handle 'K', 'W', default.
16608 (PRINT_OPERAND_ADDRESS): New.
16609 (Lots of defines): Add support for TARGET_ELF_ABI.
16610 * i370.md (attr length): New. Define for all patterns.
16611 (*): Lots of tweeks to assembly output and constraints.
16613 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
16615 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
16616 Disable patterns performing SImode comparisons with SImode values
16617 if TARGET_POWERPC64 and instruction does not sign-extend or does
16618 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
16619 differ for signed quantities.
16620 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
16621 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
16622 (decrement_and_branch_on_count): Add 64-bit variant.
16624 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16626 * final.c (output_asm_insn): When searching for the matching string
16627 for a given dialect, don't run past the end of the list of
16628 alternatives if there are fewer alternatives in the template than
16631 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
16633 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
16634 Removed paragraph about compression of files and size limitation,
16635 duplicated in the FAQ. Use gcc-patches for posting patches.
16636 * gcc.c (main): Updated URL with bug reporting instructions to
16637 gcc.gnu.org. Removed e-mail address.
16638 * system.h (abort): Likewise.
16640 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16642 * Makefile.in (stmp-multilib-sub): Make the files extracted
16643 from $(LIBGCC1) writable.
16645 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
16647 * config/arm/aout.h: Reformat for improved readability.
16649 * config/arm/arm.h: Reformat for improved readability.
16650 Replace uses of fprintf with asm_fprintf where appropriate.
16651 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
16652 function declaration assembler actions.
16653 (NUM_INTS): New macro: Convert from bytes to words.
16654 (NUM_REGS): New macro: Compute number of registers required to
16655 hold a quanitity of tyep MODE.
16656 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
16658 (NUM_ARG_REGS): New macro: The number of argument registers
16660 (ARG_REGISTER): New macro: Compute the register number of the Nth
16662 (LAST_ARG_REGNUM): New macro: The number of the last argument
16664 (SP_REGNUM): New macro: Register number of the stack pointer.
16665 (FP_REGNUM): New macro: Register number of the frame pointer.
16666 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
16667 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
16668 CUMULATIVE_ARGS so that it counts registers not bytes.
16670 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
16672 Replace uses of fprintf with asm_fprintf where appropriate.
16673 (output_ascii_pseudo_op): Replace with version from thumb.c
16675 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
16677 * config/arm/elf.h (CPP_PREDEFINES): Replace with
16678 SUBTARGET_CPP_SPEC.
16679 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
16680 (ASM_FILE_START): Emit ASM_APP_OFF.
16682 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
16684 * pa.c (compute_frame_size): Round frame according to
16685 STACK_BOUNDARY rather than a hardwired value.
16687 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
16689 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
16691 * configure: Rebuilt.
16693 * configure.in (hppa*-*-linux*): New configuration.
16694 * configure: Rebuilt.
16695 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
16696 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
16697 * pa/pa-linux.h: New file.
16698 * pa/t-linux: New file.
16699 * pa/xm-linux.h: New file.
16701 * pa.c (hppa_legitimize_address): Change references from SImode to
16702 either Pmode or word_mode as appropriate.
16703 (emit_move_sequence, store_reg, load_reg): Likewise.
16704 (set_reg_plus_d, hppa_expand_prologue): Likewise.
16705 (output_mul_insn): Likewise.
16706 * pa.h (PROMOTE_MODE): Likewise.
16707 (INITIALZE_TRAMPOLINE): Likewise.
16708 (Pmode): Define to word_mode.
16710 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
16711 value of 4. Allocate 8 bytes for each FP register save.
16712 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
16714 (hppa_expand_prologue): Likewise.
16715 * pa.h (PROMOTE_MODE): Likewise.
16716 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
16717 (FUNCTION_ARG_BOUNDARY): Likewise.
16719 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
16721 * pa.c (out_of_line_prologue_epilogue): Delete.
16722 (override_options): Remove -mspace related code.
16723 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
16724 (compute_frame_size): Only allocate space for register that
16725 actually need to be saved.
16726 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
16727 (TARGET_SWITCHES): Remove -mspace, -mno-space
16728 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
16729 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
16730 * pa/ee.asm, pa/ee_fp.asm: Delete.
16732 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
16734 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
16735 directive in column zero.
16737 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
16739 * m68k.c (output_function_prologue): Fix computation of save mask
16740 when generating PIC code.
16742 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
16744 * tree.c (build_type_attribute_variant): Move current_obstack restore
16745 after build_qualified_type call.
16747 1999-07-15 Mark Mitchell <mark@codesourcery.com>
16749 * configure.in: Use t-iris6, even with GNU LD.
16750 * config/mips/iris6gld.h: Fix typo in linker spec.
16751 * config/mips/t-iris6gld: Remove.
16753 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
16755 * rs6000.md (insv, extzv): Remove SImode dependence in named
16756 patterns. Explicitly generate DImode RTL if PowerPC64 and
16758 (insvdi): Reverse start and size in instruction template.
16760 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
16762 * invoke.texi: Typo fixes.
16764 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
16766 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
16767 handle at this time instead of silently generating incorrect code.
16768 (gen_imagpart): Likewise.
16770 * reload.c (find_reloads): Emit a USE for a pseudo register without
16771 a hard register if we could not create an optional reload for the
16774 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16776 * c-typeck.c (output_init_element, process_init_element):
16777 When advancing constructor_unfilled_fields for a RECORD_TYPE,
16778 check for nameless bit fields.
16780 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
16782 * regclass.c (scan_one_insn): Notice subregs that change the
16783 size of their operand.
16784 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
16786 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
16788 * configure.in (alpha*-*-*): Include alpha/t-ieee.
16789 * configure: Rebuilt.
16790 * alpha/t-ieee: New file.
16792 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
16794 * rs6000.c (find_addr_reg): Do not select r0 as an address
16797 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
16799 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
16801 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
16803 * rs6000.md (movsf): Do not force easy FP constants into memory.
16805 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
16806 immed_double_const to ensure they are properly truncated then
16809 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16811 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
16812 always unless NO_DEBUG is used. Compile this code
16814 (replace_symbols_in_block): Compile it unconditionally.
16816 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
16818 * configure.in (i?86-*-elf*): New target.
16819 * configure: Rebuilt.
16820 * i386/i386elf.h, i386/t-i386elf: New files.
16822 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
16824 * toplev.c (main): Don't complain about saying -gdwarf.
16825 (rest_of_compilation): Remove redundant code.
16827 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
16829 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
16831 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
16833 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
16834 "Li960R:", to avoid name clash.
16836 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16838 * loop.c (check_dbra_loop): When reversing a loop, delete all
16839 REG_EQUAL notes referencing the reversed biv except those which are
16840 for a giv based on it.
16842 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
16844 * version.c: Drop "gcc-" prefix from version #.
16846 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
16848 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
16849 the label if we're being verbose.
16851 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
16853 * m68k.c (output_function_prologue): Add pic register to mask
16854 if live and flag_pic.
16855 (output_function_epilogue): Likewise.
16857 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
16859 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
16860 directives in column zero.
16862 * pa/elf.h (ASM_FILE_START): Define.
16863 * pa/som.h (ASM_FILE_START): Include .level directives.
16864 * pa/hpux10.h (ASM_FILE_START): Delete.
16865 * pa/hpux11.h (ASM_FILE_START): Delete.
16867 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
16869 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16871 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
16872 when reload_out equals reload_in.
16874 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
16876 * invoke.texi (Spec Files): New node: Describe the contents of
16879 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
16881 * invoke.texi (DEC Alpha Options): Put @end table at
16882 beginning of line, to avoid confusing texi2html.
16884 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
16886 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
16887 introduced in previous delta.
16889 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16891 * reload1.c (gen_reload): When synthesizing a 3 operand add
16892 sequence, improve test for when to reload OP1 into the reload
16893 register instead of OP0.
16895 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
16897 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
16899 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
16901 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
16904 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
16906 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
16907 (va_dcl): Use __builtin_va_alist_t.
16909 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
16911 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
16912 on the permanent_obstack.
16913 * dwarfout.c (output_type): Likewise.
16915 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
16917 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16918 Merged from c-typeck.c and cp/typeck.c.
16919 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16920 Merged into c-common.
16922 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
16924 * c-lex.c (errorcount): Declare it.
16925 (finish_parse): Update errorcount when using CPPLIB.
16927 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
16929 * fixinc/inclhack.def(end_else_label): Double the backslash so
16930 sed gets a chance to see it.
16931 * fixinc/inclhack.sh: regen
16932 * fixinc/fixincl.x: regen
16934 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
16936 Add framework to support armv5 architecture when it becomes
16939 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
16940 (arm_arch5): New variable.
16941 (all_architectures): Add armv5 line.
16942 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
16943 -march=armv5 is specified on the command line.
16944 (arm_arch5): Export this variable.
16945 * invoke.texi: Document new string accepted by -march= switch for
16948 * config/arm/arm.h: Replace use of constant 12 as a register
16949 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
16950 * config/arm/arm.c: Replace use of constant 12 as a register
16951 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
16953 * config/arm/elf.h: Tidy up.
16954 * config/arm/coff.h: Tidy up.
16956 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
16958 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
16959 * gcc/config/mips/t-iris6gld: New file.
16960 * gcc/config/mips/iris6gld.h: Likewise.
16962 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
16964 * c-decl.c (widest_integer_literal_type_node,
16965 widest_unsigned_literal_type) : New.
16966 (init_decl_processing): Handle/use the two new types.
16967 * c-common.c (type_for_size,type_for_mode) : Same.
16968 * c-lex.c (yylex) : Same.
16969 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16971 * c-tree.h (widest_integer_literal_type_node,
16972 widest_unsigned_literal_type) : New.
16974 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
16976 * dwarfout.c (field_byte_offset): Correctly compute the object's
16977 byte offset for the first bit of a field which crosses an alignment
16978 boundary on a !BYTES_BIG_ENDIAN target.
16980 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
16982 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
16985 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
16986 Jeff Law <law@cygnus.com>
16988 * ginclude/varargs.h (va_dcl): Use word_mode for type of
16991 * except.c: Include intl.h.
16992 (expand_eh_return): Set current_function_cannot_inline.
16993 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
16994 * function.h (struct function): Add eh_return_stub_label.
16995 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
16996 * Makefile.in (except.o): Depend on intl.h.
16998 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
17000 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
17001 same as offsettable in cases 1 and 2.
17003 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
17005 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
17006 (extlh, extwh): Likewise.
17008 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
17010 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
17012 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
17014 * configure.in: Add arm-pe and thumb-pe targets.
17015 * configure: Regenerate.
17017 * thumb.c (arm_naked_function_p): New function: Determines if
17018 a function is naked (has no gcc generated prologue/epilogue).
17019 (is_called_in_ARM_mode): Return true if the func has the
17020 interfacearm attribute.
17021 (output_return): Do not generate a return for naked functions.
17022 (thumb_function_prologue): Do not generate a prologue for
17024 (thumb_expand_prologue): Do not generate a prologue for naked
17026 (thumb_expand_epilogue): Do not generate an epilogue for naked
17028 (arm_valid_machine_decl_attribute): New function, copied from
17029 arm.c: Permit naked and interfacearm attributes.
17031 * config/arm/pe.c: New file: Support code for arm-pe target.
17032 * config/arm/pe.h: New file: Header file for arm-pe target.
17033 * config/arm/tpe.h: New file: Header file for thumb-pe target.
17034 * config/arm/t-thumb-pe: New file: Makefile fragment for
17037 1999-07-01 Mark Kettenis <kettenis@gnu.org>
17039 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
17040 -fPIC or -fpic is specified.
17042 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
17044 * expr.c (emit_block_move): Use copy_to_mode_reg for
17045 !TARGET_MEM_FUNCTIONS case too.
17047 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
17049 * configure: Rebuilt.
17050 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
17051 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
17052 definitions made redundant by dbxelf.h inclusion. Delete
17053 lots of definitions related to assembly output that are
17054 specific to the SOM object format.
17055 * pa.c (output_function_prologue): Do not emit the function's
17057 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
17058 * pa-pro.h: Deleted.
17059 * som.h: New file with SOM specific definitions.
17060 * elf.h: New file with ELF specific definitions.
17062 * elfos.h (const_section): Output a tab before assembler directives.
17063 (ctors_section, dtors_section): Likewise.
17064 (ASM_OUTPUT_SECTION_NAME): Likewise.
17066 * pa/pa1.h: Delete unused file.
17068 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
17070 * configure.in (hppa*-hp-hpux11*): New configuration.
17071 * configure: Rebuilt.
17072 * pa/pa-hpux11.h: New file.
17073 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
17076 * mips.md (leasi, leadi): New patterns.
17078 * expr.c (emit_block_move): Properly handle case where one of the
17079 block move arguments has a queued increment or decrement.
17080 (clear_storage): Similarly. Fix formatting goof.
17082 1999-06-28 "David O'Brien" <obrien@NUXI.com>
17084 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
17085 semicolon from the BSD VA_LIST replacement expression.
17087 * fixinc/inclhack.sh: regen
17088 * fixinc/fixincl.x: regen
17090 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
17091 now use the fixincl program.
17093 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
17095 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
17096 case. Also make the PIC register call_used.
17098 * m68k.h (FINALIZE_PIC): Delete.
17099 * m68k.c (finalize_pic): Delete.
17101 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
17103 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
17106 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
17108 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
17110 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
17112 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
17114 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
17116 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
17118 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
17120 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
17122 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
17124 * rs6000.c (output_toc): Always use hex values for floating-point
17125 constants. Store single-precision values in upper-half of TOC
17126 entry in 64-bit mode.
17127 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
17128 to final constraints.
17129 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
17130 (fctiwz): Improve accuracy of RTL for pattern.
17132 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
17134 * expr.c (expand_expr): Allow RTL_EXPR's through the
17135 MAX_INTEGER_COMPUTATION_MODE checks.
17137 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
17139 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
17140 such that MASK_SUPPORT_ARCH is not negative.
17142 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
17144 * loop.c (verify_dominator): Properly handle ADDR_VEC and
17145 ADDR_DIFF_VEC insns that appear inside loops.
17147 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
17148 Jeff Law <law@cygnus.com>
17150 * rs6000.md (movdf_hardfloat32): Revert previous patch.
17151 Handle LO_SUM the same as offsettable in cases 1 and 2.
17152 * rs6000.c (find_addr_reg): Revert previous patch.
17154 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
17156 * system.h (strstr): New external function declaration.
17157 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
17158 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
17159 * config.in, configure: Rebuilt.
17161 1999-06-24 Tom Tromey <tromey@cygnus.com>
17163 * gcc.c (main): Read user-specified specs files after computing
17164 additional startfile_prefixes.
17166 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
17168 Revert these two patches:
17170 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17171 * loop.c (strength_reduce): When doing biv->giv conversion, update
17172 reg note of NEXT->insn.
17174 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17175 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17177 (recombine_givs): Set ix field after sorting.
17179 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17181 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
17182 for the parts of an UNSPEC / UNSPEC_VOLATILE.
17184 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
17186 *fixinc/inclhack.def: Add fix development commentary
17187 (read_ret_type): reactivate and add selection clause
17188 (zzz_*): tweak output file name to match what is used in hackshell.tpl
17189 *fixinc/{fixincl.x|inclhack.sh}: regen
17191 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
17193 * expr.c (expand_expr): STRIP_NOPS before checking against
17194 MAX_INTEGER_COMPUTATION_MODE
17195 (check_max_integer_computation_mode): Likewise.
17197 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
17199 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
17201 1999-06-22 Jim Wilson <wilson@cygnus.com>
17203 * expr.c (store_expr): When target is a promoted subreg, return a
17204 promoted subreg as a result.
17206 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
17208 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
17210 (dwarf2out_define): Mark unused parameters appropriately.
17211 (gen_unspecified_parameters_die): Ditto.
17212 (gen_subprogram_die): Fix signed/unsigned warnings.
17213 (gen_variable_die): Ditto.
17215 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
17217 * fixinc/inclhack.def(end_else_label): combined else_label
17218 and endif_label and fixed the sed expression.
17219 *fixinc/{fixincl.x|inclhack.sh}: regen
17221 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
17223 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
17224 'x' when handling non-offsettable addresses
17226 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
17228 * final.c (shorten_branches): Don't try to split an insn that has
17231 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
17233 * config/mips/mips.c (symbolic_expression_p): New function.
17234 (mips_select_rtx_section): Put symbolic expressions in the
17235 data section, not the read-only data section.
17237 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
17239 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
17241 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
17243 * collect2.c (main): Log frame table count.
17244 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
17245 (scan_prog_file) [COFF]: Handle frame tables.
17247 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
17248 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
17249 * alpha/elf.h: Undef them again.
17250 * alpha/vms.h: Remove their definitions.
17252 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17254 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
17255 remove the clobber of r0 and change the REG_UNUSED note to
17258 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
17260 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
17261 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
17262 fits in HOST_WIDE_INT and one uses union to access a long constant
17265 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
17267 * sparc.c (sparc_override_options): Don't allow profiling for
17268 code models other than medlow.
17269 (sparc_function_profiler): New function from old FUNCTION_PROFILER
17270 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
17271 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
17272 (sparc_block_profiler): Likewise.
17273 (sparc_function_block_profiler_exit): Likewise.
17274 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
17275 (FUNCTION_BLOCK_PROFILER): Likewise.
17276 (BLOCK_PROFILER): Likewise.
17277 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
17278 (MCOUNT_FUNCTION): New.
17279 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
17280 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
17281 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
17282 (MCOUNT_FUNCTION): New.
17283 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
17284 (BLOCK_PROFILER): Delete.
17285 (MCOUNT_FUNCTION): New.
17287 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
17289 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
17291 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
17293 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17296 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17299 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17302 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17305 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
17307 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
17310 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
17312 * i386/djgpp.h (LIB_SPEC): New.
17313 (STARTFILE_SPEC): New.
17315 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
17317 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
17319 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
17322 * system.h (WSTOPSIG): New macro.
17324 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
17326 * c-pragma.c (push_alignment): Don't ignore alignments greater than
17328 (insert_pack_attributes): Take into account member natural
17331 * i386/winnt.c (exports_head): New static variable.
17332 (i386_pe_record_exported_symbol): New function.
17333 (i386_pe_asm_file_end): Use.
17334 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
17335 symbols to be emitted at end of assembly.
17336 (ASM_DECLARE_OBJECT_NAME): Likewise.
17337 (ASM_DECLARE_FUNCTION_NAME): Likewise.
17339 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
17342 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
17344 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
17347 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
17349 * haifa-sched.c (sched_analyze_1): Use free_list instead of
17350 zapping reg_last_uses directly.
17351 (sched_analyze_2, sched_analyze_insn): Likewise.
17352 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
17354 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
17356 * rs6000.md (movdf_hardfloat32): Use worst case insn length
17357 attributes for cases 1 and 2.
17359 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
17361 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
17364 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
17366 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
17368 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
17370 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
17371 PIC_OFFSET_TABLE_REGNUM for general alloaction.
17372 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
17373 must be stacked if it is used for PIC accesses.
17374 * arm.c (use_return_insn): Handle PIC register specially.
17375 (output_return_instruction): Likewise.
17376 (output_func_{prologue,epilogue}): Likewise.
17377 (output_expand_prologue): Likewise.
17379 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
17380 (*strsi_predec): Renamed from *strqi_predec.
17381 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
17382 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
17384 * arm.c (arm_override_options): Remove warning about PIC code
17385 not being supported.
17387 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
17389 * rs6000.c (find_addr_reg): New function.
17390 * rs6000.h (find_addr_reg): Declare.
17391 (offsettable_addr_operand): Delete.
17392 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
17393 from and stores to GPRs.
17395 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
17397 * alpha.c (alpha_expand_block_move): Use get_insns rather than
17398 gen_sequence as argument to emit_no_conflict_block.
17400 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17402 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
17403 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
17404 *fixinc/fixincl.x: regen
17405 *fixinc/inclhack.sh: regen
17407 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
17409 * added support for -mpcrel (PC relative addressing for m68k)
17410 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
17411 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
17412 * m68k.c (print_operand_address): Handle 32-bit PIC case.
17413 (comments for general_src_operand): Add some explanation
17414 about EXTRA_CONSTRAINTS.
17415 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
17416 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
17417 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
17418 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
17419 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
17420 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
17421 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
17422 if not already set.
17423 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
17424 * m68k.h (TARGET_PCREL): New target flag.
17425 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
17426 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
17427 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
17428 contains a SYMBOL_REF. Relax this constraint during reload, since
17429 we want to use the predicates, not reload's built-in concept of a
17430 valid memory address, to control what insns need reloading.
17431 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
17432 operands (essentially 'g', 'm', and 's' under normal circumstances).
17433 * m68k.c (print_operand): Cause printing of pc-relative addresses
17434 to include pc register.
17435 (print_operand_address): Ditto.
17436 (general_src_operand): Accept operands that are not only
17437 general_operands, but are also valid when used as a pc-relative
17439 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
17440 (memory_src_operand): Similar, for memory_operands.
17441 (pcrel_address): New predicate to accept the special case of a
17442 pc-relative address.
17443 * m68k.md (many patterns): Rewrite common SImode, HImode, and
17444 QImode insns to accept *_src_operand instead of *_operand where
17445 pc-relative operands can fit. For example, a pc-relative operand
17446 can be used as a memory source operand for addsi3, but not as a
17447 memory destination.
17448 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
17450 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
17452 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
17453 .thumb_set pseudo op to mark aliases of thumb functions.
17455 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
17457 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
17458 preference to ASM_OUTPUT_DEF, if it is defined.
17460 * tm.texi: Document new, optional target macro
17461 ASM_OUTPUT_DEF_FROM_DECLS.
17463 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17465 * fixincludes: ISCNTL patch
17466 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
17467 (dgux_int_varargs): new for DG/UX
17468 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
17470 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
17472 * invoke.texi (ia32 options): Fix typo.
17474 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17476 * loop.c (strength_reduce): When doing biv->giv conversion, update
17477 reg note of NEXT->insn.
17479 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
17481 * loop.c (move_movables): Note issues with replacing REGs with
17483 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
17485 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
17487 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
17489 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
17490 the reference to `mcount' was not correct for the ELF on FreeBSD.
17492 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17494 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17497 (recombine_givs): Set ix field after sorting.
17499 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
17501 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
17502 to safe to extract a subword out of a REG.
17504 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17506 * sh.md (mulsi3): Don't add a no-op move at the end.
17508 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17510 * cse.c (cse_insn): Don't put hard register source into tables for
17511 the last insn of a libcall.
17513 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17515 * loop.c (strength_reduce): Insert sets of derived givs at every
17516 biv increment, even if it's the only one.
17518 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17520 * dwarfout.c (add_incomplete_type): New fn.
17521 (output_type): Call it.
17522 (retry_incomplete_types): New fn.
17523 (dwarfout_finish): Call it.
17525 From Eric Raskin <ehr@listworks.com>:
17526 (output_type): Output types for bases.
17528 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17530 * mips.c (mips_output_conditional_branch): Add `break'
17531 between `default' label and `close braces'.
17533 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
17535 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
17536 specifications and make it realistic.
17537 (LIB_SPEC): Likewise.
17539 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
17541 * config/mips/mips.c (mips_secondary_reload_class): Check for
17542 (PLUS (SP) (REG)) and return appropriate register class.
17543 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
17544 Handle (PLUS (SP) (REG)).
17545 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
17546 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
17547 of emit_insn for tablejump.
17549 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
17551 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
17552 asm_fprintf format string by itself.
17553 (output_function_profiler): Likewise.
17555 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
17557 * combine.c (simplify_logical, case AND): Only call
17558 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
17559 or the constant is positive.
17561 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
17563 * configure.in: Fix typo in rs6000-ibm-aix4 case.
17564 * configure: Regenerate.
17566 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
17568 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
17569 require a sub-version #.
17570 * configure: Rebuilt.
17572 1999-06-14 Robert Lipe (robertlipe@usa.net)
17574 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
17576 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
17578 * c-typeck.c (process_init_element): Detect excess elements in
17579 char array initializer.
17581 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17583 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
17585 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17587 * invoke.texi (Option Summary): Add -fpermissive flag.
17589 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
17591 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
17592 that require PIC code sequences.
17594 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
17596 * configure.in: Add new target: thumb-elf.
17597 * configure: Regenerate.
17598 * config/arm/t-thumb-elf: New file: Makefile fragment for
17600 * config/arm/telf.h: New file: Header file for thumb-elf
17603 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
17605 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
17606 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
17607 initializers is some circumstances.
17609 * fixinc/inclhack.def (endif_label): Add additional selector for
17610 more bogus stuff after #endif statements.
17611 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17613 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
17615 * i386/cygwin.h (SET_ASM_OP): Define.
17617 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
17619 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
17621 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17623 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
17626 * sh.md (ic_invalidate_line_i): Remove second alternative.
17628 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17630 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
17631 test for the presence of valid prototypes. Delete bypass expr.
17632 (ioctl_fix_ctrl): Correct the selection expression.
17633 (no_double_slash): Correct quoting rules
17634 *fixinc/fixincl.x: regen
17635 *fixinc/inclhack.sh: regen
17637 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
17639 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
17641 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17643 * rs6000.md (movsi_got_internal_mem): Delete.
17644 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
17645 (GOT_TOC_REGNUM): Delete.
17646 (PIC_OFFSET_TABLE_REGNUM): Define.
17647 (FINALIZE_PIC): Disable.
17648 * rs6000.c (rs6000_got_register): New code for fixed pic register.
17649 (rs6000_replace_regno): Delete.
17650 (rs6000_finalize_pic): Likewise.
17651 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
17653 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17655 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
17656 is a note; use <= for the compare; advance P while it is
17659 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
17661 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
17662 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
17664 * varasm.c (remove_from_pending_weak_list): Verify t->name
17665 is non-NULL before passing it to strcmp.
17667 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17669 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
17670 the typed arguments are not part of a comment
17671 (ioctl_fix_ctrl): Added a purpose comment
17672 *fixinc/fixincl.x: regenerate
17673 *fixinc/inclhack.sh: regenerate
17675 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17677 * invoke.texi: Add C4x invocation docs.
17679 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17681 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
17683 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
17685 (c4x_legitimize_reload_address): New function.
17686 * config/c4x/c4x.md: Update docs.
17688 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
17690 * fixincludes: Avoid removing '.'.
17691 * fixinc/fixinc.svr4: Likewise.
17692 * fixinc/fixinc.winnt: Likewise.
17693 * fixinc/inclhack.tpl: Likewise.
17694 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
17696 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17698 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
17700 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
17702 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
17704 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
17707 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
17709 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
17710 * configure: Regenerate.
17712 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
17714 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
17717 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
17719 * fixinc/inclhack.def (avoid_bool): Also catch
17720 "typedef [unsigned] int bool".
17721 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
17723 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
17724 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
17725 * configure: Rebuilt.
17727 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
17729 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
17730 such that we can override its definitions if necessary.
17731 (CPP_SPEC): New define. Support processor specific predefines via
17733 (CC1_SPEC): New define. Support processor specific compiler
17734 options via %(cc1_cpu).
17735 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
17738 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17740 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
17741 between sed's -e flag, and the open-quote following it.
17742 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
17744 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
17745 Jeffrey A Law (law@cygnus.com)
17747 * varasm.c (assemble_start_function): Remove the function
17748 from the pending weak decls list when we define a function.
17749 (assemble_variable): Similarly for variables.
17750 (weak_finish): Ignore items on the list with a NULL name.
17751 (remove_from_ending_weak_list); New function to "remove" an item
17752 from the pending weak declarations list.
17754 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17756 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
17758 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
17760 * c-lex.c (GETC): Redefine to call getch.
17761 (UNGETC): Redefine to call put_back.
17762 (putback_buffer): New structure type.
17763 (putback): New static structure.
17764 (getch): New function.
17765 (put_back): New function.
17766 (yylex): Replace unused bytes from bad multibyte character.
17768 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
17770 * cpplib.c (do_define): Cast `alloca' return value.
17771 (do_include, do_undef, do_pragma): Likewise.
17772 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
17774 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
17775 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
17777 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
17779 * sparc.md (abstf2): This should be an expand.
17780 (split after abstf2_notv9): Fix mode.
17781 (abstf2_hq_v9): New pattern.
17782 (abstf2_v9): Only use when no hard quad.
17783 (absdf2_v9): Fix if target is not the same as source.
17784 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
17785 Add correct output constraints.
17787 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
17789 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
17790 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
17792 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
17794 * mips.h (mips_output_conditional_branch): New function.
17795 (mips_adjust_insn_length): Likewise.
17796 (ASSEMBLER_SCRATCH_REGNUM): New macro.
17797 (ADJUST_INSN_LENGTH): Likewise.
17798 * mips.c (print_operand): Add `F' and `W' for floating-point
17799 comparison opcodes.
17800 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
17802 (mips_adjust_insn_length): New function.
17803 (mips_output_conditional_branch): New function.
17804 * mips.md (length): Adjust attribute definition to handle
17805 conditional branches. Change lengths to bytes, rather than
17806 instructions throughout. Remove length attribute from
17807 instructions whose length is four bytes, and rely on the default
17809 (dslot): Fix typo in comment.
17810 Reword conditional branch patterns to use
17811 mips_output_conditional_branch.
17813 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17815 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
17816 (LIB_SPEC): Likewise.
17817 Link with -lprof1_r for -g/-pg.
17819 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17821 * loop.c (check_dbra_loop): Fix change of Jan 19.
17823 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
17825 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
17826 (STARTFILE_SPEC): Define, override the svr4.h version.
17827 (ENDFILE_SPEC): Likewise.
17829 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
17831 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
17832 * fixinc/fixincl.x: Regenerated.
17833 * fixinc/inclhack.sh: Regenerated.
17835 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17837 * sh.c (barrier_align): Don't return early for normal branch/barrier
17838 when optimizing for SH2.
17840 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
17842 * i386/udk.h (LINK_SPEC): Correct linker search path for
17845 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17847 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
17848 (braf_label_ref_operand): Delete.
17849 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
17850 * sh.md (casesi_jump_2): Operand1 is now the inside of a
17851 label_ref, and has no predicate.
17852 The patten has a predicate to guard against invalid substitutions.
17853 (dummy_jump): Delete.
17854 (casesi): Update use of casesi_jump_2.
17856 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17858 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
17859 *fixinc/fixincl.x: regenerate
17860 *fixinc/inclhack.sh: regenerate
17862 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
17864 * dwarf2out.c (add_incomplete_type): New fn.
17865 (gen_struct_or_union_type_die): Call it.
17866 (retry_incomplete_types): New fn.
17867 (dwarf2out_finish): Call it.
17869 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
17871 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
17872 current block starts with a CODE_LABEL and ends with a CALL and
17873 we can not find all the argument setup instructions for the CALL.
17875 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
17877 Revert this change:
17878 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
17879 something is a candidate for optimize_bit_field_compare.
17881 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17883 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
17885 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
17887 * alpha.c (override_options): Thinko in last patch.
17889 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
17890 (LIB_SPEC): Recognize -pthread.
17892 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
17894 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
17895 definition in config/arm/coff.h
17896 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
17898 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17900 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
17901 fixes that need "file=xxx\n" prepended before invocation
17902 (start_fixer - new): starting the fixer process is complex enough
17903 to warrent its own routine. It prepends the "file=xxx\n" stuff.
17904 (process): uses the new routine; omit usage of putenv()
17905 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
17906 * fixinc/fixincl.x: regenerate
17908 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
17910 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
17911 and version #s (1.1 -> 2.96) as needed.
17912 * README.g77: Kill way out of date file in the toplevel directory.
17914 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
17916 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
17917 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
17918 * configure: Rebuilt.
17919 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
17920 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
17921 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
17922 (SWITCH_TAKES_ARG): Likewise.
17923 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
17924 * config/t-freebsd: Moved from config/i386/ so it can used for all
17927 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
17929 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
17931 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
17933 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
17934 * configure: Rebuilt.
17936 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
17938 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
17939 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
17940 * rs6000/rs6000.c (rs6000_file_start): Use putc.
17941 (rs6000_output_load_toc_table): Same.
17942 (output_prolog, output_mi_thunk): Same.
17943 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
17944 (ASM_GLOBALIZE_LABEL): Use putc.
17946 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
17948 * alpha.md (reload_*_help): New patterns and splitters.
17949 (reload_*): Use them.
17950 (mov[qh]i): Likewise.
17952 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
17954 * cccp.c (handle_directive): Handle backslash-newlines in quoted
17957 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
17959 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
17961 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
17963 * flow.c (mark_regs_live_at_end, insn_dead_p,
17964 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
17965 and HARD_FRAME_POINTER_REGNUM special treatment if reload
17966 hasn't run or the frame pointer is needed.
17967 * haifa-sched.c (attach_deaths): Likewise.
17968 * sched.c (attach_deaths): Likewise.
17970 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
17972 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
17973 calculate_can_reach_end returns nonzero.
17975 * configure.in (native gas tests): Search for an assembler in the
17976 same manner that the installed compiler will.
17977 * configure: Rebuilt.
17978 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
17980 * alias.c (find_base_term): Improve handling of addresses
17981 constructed from binary operations.
17983 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
17985 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
17987 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
17989 * function.h (cleanup_label, frame_offset): Declare.
17990 (tail_recursion_label, tail_recursion_reentry): Likewise.
17991 (arg_pointer_save_area, rtl_expr_chain): Likewise.
17992 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
17993 (tail_recursion_label, tail_recursion_reentry): Likewise.
17994 (arg_pointer_save_area, rtl_expr_chain): Likewise.
17996 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
17998 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
18000 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
18001 (MAX_OFILE_ALIGNMENT): Define.
18003 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
18005 * fixincl.c: Replace local include scheme with #includes of
18006 gansidecl.h and system.h.
18007 * procopen.c: Likewise.
18008 * server.c: Likewise.
18010 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
18012 * i386/t-dgux (EXTRA_PARTS): Add crti.o
18013 (crti.o): Add build rule and dependencies.
18014 * fixinc/fixinc.dgux: Use modified _int_varargs.h
18016 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18018 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
18019 (LIB_LINUX_SPEC): Likewise.
18020 (LIB_LINUX_SPEC): Add support for -pthread
18021 (CPP_OS_LINUX_SPEC): Likewise.
18022 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
18025 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
18027 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
18029 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
18030 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
18031 for IEEE math and CC_FCOMI.
18032 (put_jump_code): No IEEE if CC_FCOMI is set.
18034 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
18036 * fold-const.c (fold_truthop): Make the field reference unsigned
18037 when converting a single bit compare.
18039 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18041 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
18043 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
18045 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
18046 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
18049 * reload.c (push_reload): Do not call remove_address_replacements
18050 when presented with identical optional reloads.
18052 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
18054 * alpha.h (MASK_FIX, TARGET_FIX): New.
18055 (MASK_*): Reorganize constants.
18056 (CPP_AM_FIX_SPEC): New.
18057 (TARGET_SWITCHES): Add FIX.
18058 (EXTRA_SPECS): Likewise.
18059 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
18060 (SECONDARY_MEMORY_NEEDED): Likewise.
18061 (REGISTER_MOVE_COST): Likewise.
18062 * alpha.c (override_options): Add FIX support. Always use
18063 ALPHA_TP_PROG for ev6.
18064 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
18065 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
18066 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
18068 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
18070 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
18071 something is a candidate for optimize_bit_field_compare.
18073 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
18075 * gcc.texi (Passes): Document branch-shortening.
18076 * invoke.texi (Debugging Options): Document the fact that `-dp'
18077 outputs length information for instructions.
18079 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
18081 * flow.c: Revert previous delta.
18083 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
18085 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
18086 FRAME_POINTER_REGNUM.
18087 (mark_set_1): Ditto.
18088 (mark_used_regs): Ditto.
18090 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
18092 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
18093 (GOT_PCREL): New macro. Define to 1 if not already defined.
18094 * arm/elf.h (GOT_PCREL): Define to 0.
18095 * arm.c (arm_finalize_pic): Take into account the setting of
18098 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
18100 * output.h (STRIP_NAME_ENCODING): Provide default definition.
18101 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
18103 * flow.c (mark_set_1): Do not record BLKmode stores as dead
18104 store elimination candidates.
18106 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
18108 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
18111 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
18113 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
18114 Add use of x-aix41-gld.
18116 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
18118 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
18119 (ASM_OUTPUT_DESTRUCTOR): Define.
18121 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
18123 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
18124 last CODE_LABEL in a loop if we have previously passed a jump
18125 to the top of the loop.
18127 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
18129 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
18130 applying Philip's patch.
18132 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
18134 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
18137 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
18139 * loop.c (strength_reduce): Grow reg_single_usage as needed.
18141 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
18143 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
18144 Also remove a useless comment.
18146 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
18148 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
18150 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
18152 * collect2.c (main): Only generate import or export file and add
18153 to link arguments if non-empty. Use xmalloc not alloca.
18154 (write_{export,import}_file): Delete.
18155 (write_aix_file): New function.
18156 (locatelib): Use xmalloc not malloc.
18157 (GCC_OK_SYMBOL): Do not check type if aix64.
18159 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
18161 Based on patch by Scott Bambrough and Pat Beirne:
18162 * config/arm/arm.c (making_const_table): New variable.
18163 * config/arm/arm.h (making_const_table): Declare.
18164 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
18166 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
18167 Keep track of when we are building the constant table.
18169 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
18171 * config/arm/arm.c (arm_override_options): Fix erroneous warning
18174 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
18176 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
18179 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
18181 * tm.texi (FUNCTION_ARG): Correct description of a stack element
18184 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
18186 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
18188 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18190 * rs6000.c (output_mi_thunk): Enable full support again.
18192 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18194 * sh.h (BRANCH_COST): Define.
18196 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
18198 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
18200 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
18202 * function.c (assign_stack_local): Align stack slot propertly.
18203 (assign_outer_stack_local): Likewise.
18205 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
18207 * expr.h (lang_expand_constant): Declare.
18208 * toplev.c (lang_expand_constant): Define it.
18209 * varasm.c (output_constant): Use it.
18211 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18213 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
18214 Change function definitions to K&R style.
18216 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18218 * fixinc/fixincl.c: We must not ignore SIGCLD now.
18220 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
18222 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
18223 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
18224 (several places): omit static initialization
18225 (process): use single fd, since only the read fd is used
18226 * fixinc/gnu-regex.c: define 'const' away, if not supported
18227 * fixinc/procopen.c(several places): omit static initialization
18228 * fixinc/server.c: define 'volitile' away, if not supported
18230 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
18232 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
18233 asm_fprintf and %L to generate the label name.
18234 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
18235 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
18237 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
18239 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
18240 insn for a conditional jump can not be found.
18242 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
18244 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
18245 on variables in specific sections other than .sbss and .sdata.
18247 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
18249 * stmt.c (expand_return): Call start_cleanup_deferral and
18250 end_cleanup_deferral around conditional code.
18252 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18254 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
18255 filename lists. Utilizes new "krstr" AutoGen function.
18256 * fixinc/fixincl.x: Rebuilt.
18258 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
18260 * i386.c (output_float_compare): Avoid GNU-C extensions.
18262 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
18264 * version.c: Bump to distinguish mainline tree from the
18267 See ChangeLog.1 for earlier changes.